Do you remember when you liked drawing? What kind of drawings did you do? Were they elaborate, detailed sketches or just things that came to your mind?

As for friends, you can always try finding new ones, friend is a word with little meaning these days, so I guess you'll find that 1 out of a 100 that you can relate to. Maybe you can meet make friends online from your town.

Maybe give your gym some time? maybe you'll feel more energetic after you get into better shape. Good of you to start going to a gym and try meditation, they will certainly help in the long run.