history: Ever since I started taking medication for anxiety and depression, I've been gaining weight. I've been a skinny boy all my life, and I still am but this extra chub has me feeling down.  Ever since I started taking medication for anxiety and depression_comma_ I've been gaining weight.  I have heard that is a common side effect but you might want to talk to your doctor about it
current: I have, she said I'm okay because I still have a healthy weight. I've been a skinny boy all my life, and I still am but this extra chub has me feeling down.
next: Well you could always work out and turn it into muscle