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Do let the sun go down on anger. Simplify your life. Pursue your passion. Stop insisting on having the best. Take the time to connect with people. Make time for yourself. Make major changes if necessary.

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Some people think that if you're mad about something, that you should say it right away to avoid letting your angry feelings fester. Sure, that's true some of the time, but other times, your anger may be fleeting and it will be better to simply go to bed and let things go. The next time you're annoyed about something relatively minor, ask yourself, "Is it really worth it to mention this right now?" or, "Will I really care about this once I'm in a better mood/have more coffee/get my work done?" If the answer is no, then move on.  Sure, one school of thought is that you shouldn't go to bed mad. But another is that, if you stop mentioning every little thing that sets you off, that you won't be mad to begin with. People who are content with their lives typically don't have many things to worry about. They have only the possessions they really need instead of a wardrobe full of clothes. They have one car for their family instead of two so they don't have to worry so much about the cost and maintenance. They have one credit card instead of three, four close friends instead of forty acquaintances, and they focus on doing the few things they really love instead of committing themselves to lots of things they only kind of like.   Look around you -- do you really need to have so many pairs of shoes? Two types of iPods? Three calendars hanging above your desk? Any time you can eliminate something, go for it. De-cluttering is another form of simplifying your life. Go through your workspace and your home and rid all surfaces and drawers of the things you don't really need. You'll be able to breathe more easily and will be happier with what you do have. People who are content with their lives feel this way because they spend time doing the things that they love. If you have a passion that you're not pursuing, then yeah, you're not going to be content with what you do have. And if you don't know what your passion is, finding it can lead you to be more content with your life. Make a habit of doing the thing you love as much as you can, and to find the thing you love if you can't find anything to be really happy about.   If there's nothing that gets you going, then you won't feel fulfilled. In some cases, you may be able to turn your passion, like photography, into a career. This will be even more rewarding and will make you happier. If you want to be content with your life, then you have to be happy with what you do have, whether it's a great home or a great family meal, instead of always looking for ways to make your life a little bit better. Striving for perfection is guaranteed to make you less happy with what you have and will make you feel even worse and less adequate, no matter what you do have.   As The Rolling Stones once said, "You can't always get what you want/but if you try sometimes/you get what you need..." These are words to live by. Don't obsess over having the nicest or most amazing things, and focus on being happy with what you do have. And guess what? You can always find a better version of something, whether it's a new Apple device or a new car. Striving for perfection will exhaust you and will make you perpetually unhappy. Connecting with people has been proven to make people feel more content with their lives. Meaningful relationships are one of the most important things in life, and they will make you feel less alone and more able to deal with your problems. Whether you're connecting with your best friend or chatting with your neighbour, even the little gestures and conversations can make you feel better.   Stop making excuses. No one is too busy to have some sort of social life. Try to really connect with people at least twice a week. If you have a significant other, don't take him or her for granted. Take the time to make truly meaningful memories and to have real conversations with the one you love. Having a good warm bath, a scented candle while listening to your favorite music or just lying on the couch and watching your favorite television show are good examples of a quality time for yourself.  Those are the times that you do not need to spend money but it is a way of enjoying your "me" time. Remind yourself that you are important and you deserve to be pampered.   Treating yourself like you are worth the extra time and care will make you feel better about your own life. Don't let a friend's last-minute plans take away your "me time." Guard your alone time like it's time you were planning on spending with Brad Pitt. Sure, changing your perspective and your actions can go a long way in making you feel content with your own life, but what if there is a major obstacle standing in your way? If that's the case, then you won't be able to be truly content with your life if you don't do something about it. Think long and hard about the thing that is in the way of you and your happiness. If it's something you can fix, then make a game plan for doing so. Here are some examples:   If you're miserable because you feel completely uninspired or unappreciated in your current job, then ask for a raise, find something new, or consider switching career paths completely. If a terrible relationship, whether it's your love life or your complicated relationship with a close friend, is standing in your way, then it may be time to cut ties. If you're seriously overweight and it's keeping you from doing the things you want to do, then it may be time to find a healthier routine for yourself.