A non-hormonal, reversible and non-toxic male birth control could be a step closer, with scientists successfully targeting a protein that's crucial in making fertile sperm. Knocking this protein out for a period of time would give men control over their protection window, much like oral…
Can’t help you with Trichotillomania but hitting the gym tends to help with weight and confidence. I don’t know your situation but I was bordering on obesity and I was suggested 10min warmup + stronglifts 5x5 + 10min cool down as a routine. I did it for almost a year and it definitely had a impact on my weight and confidence.
If you’re not sure where to start have a session with a personal trainer with the purpose of setting up your own routine and then just stick with it. It feels really hard at first but after you start seeing results it’ll get easier.
It certainly helps with fitness, and somewhat with confidence, but just being fit isn’t going to get you laid. I’d also see a therapist regularly for the mental and emotional parts of health.