Please read these stickies:
- advice for new guys
- things that damage your hormones
Sounds like you may have multiple health issues and you think that T will fix things. You should be seeking to understand what is going on with your health and vitality so you can resolve such problems. If your T is lower, that is a symptom, not a root cause.
These are all critical:
thyroid - can be low if you have not been using iodized salt.