Since you are a little fat, you can choose some suitable ways to lose weight, such as yoga, square dance, aerobics and running, which are all good choices.
Don't be afraid of what others think of you. Go out bravely and make more good friends. Many like-minded friends, whether same-sex or opposite-sex, will play together as long as they get along.
4. Exercise strong inner qualities, learn to stand the test of various setbacks, and have a good attitude in order to get rid of inner inferiority.