Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to exercise with friends [title] Choose friends you want to spend time with. [step] Becoming exercise buddies is a big commitment. You will be spending time together each week for long stretches of time.

Ending1: You will be doing a lot of different things, from classes to sports, so choosing friends to work out together will help you build up a good work ethic. [substeps] Before becoming friend with a friend, make sure that what you are doing does not violate any school standard. Ending2: This can be much longer than you may think. Think about who you want to spend time with, and talk to them. Ending3: The two (or more) of you should enjoy each other's company, and commit to supporting and motivating each other. You will have to know that this will make a very close bond between you and the workout friends, since you are sharing the same physical exercise. Ending4: You'll get to talk to your friends and make new friends. You'll be doing as much exercise together as possible, so that you're each exercising at an appropriate rate for the type of exercise you're engaged in.

Answer format: ending1/ending2/ending3/ending4