I am 18 years old and have low testosterone levels - 225. I am a male and contemplating suicide. My growth has probably been suppressed.

Stop contemplating. Don't be foolish.You have your whole life ahead of you.What about your size? You didn't mention it. Small men have had tremendous influence on the world, napoleon for one think of what your potential can be!
Call 1-800-273-8255. Call 1-800-273-8255 for the national suicide prevention lifeline.