I'm lucky I've have had to worry about losing weight. For me it's the opposite, my metabolism chews up fuel that could have gone to building muscle. People at work sometimes give me shit about getting over 100 pounds eventually , but actually I am as normal BMI as it gets. Not sure why people think I'm especially thin... I guess cuz they're a bunch of fat asses. But I'm building up the lean muscle bit by bit. Still am not doing any of the fun stuff because of my shoulder injury, but I'm getting results with dumbbells. Slow and steady. I have realized I was doing it wrong before, not gradually ramping up the difficulty/weight of exercises. Instead I was doing the same stuff for awhile, then dramatically increased the intensity.