Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make a positive impact on the lives of others [title] Find your own joy. [step] If you want to try to make others happy, then you'll need to start with yourself. What makes you happy? What brings you joy? Thinking about these questions will help you start to figure out how you can spread happiness to others.

Ending1: [substeps] Make a list of the times you've been happiest in your life. It may help for you to go through a photo-book for this. Ending2: [substeps] Practice focusing on one thing at a time instead of fixating on all the other things around you. Try to focus on your own happiness and start to let it seep in and develop as you improve. Ending3: It will also help show how much effort you'll have to give to others. [substeps] Finding your own joy can be an easy process for you, if you're not skilled at it. Ending4: [substeps] Focus on the good things in your life. Do you enjoy doing the things that make you happy? If not, what is the most positive in your life? Find what makes you happy and put a positive spin on it.

Answer format: ending1/ending2/ending3/ending4