To answer this question, you first have to specify the age of the person in question.
1.
New-born and small boys MAY have: A small penis, weak muscles, speech and language issues, learning and reading disabilities, lacking social abilities, lacking knowledge of how to behave with other children.
2.
Young teenage boys MAY ALSO have - BEFORE TESTOSTERONE REPLACEMENT THREATMENT (TRT):
Small firm testes, enlarged breast (gynecomastia), long legs and short upper body, may be taller than most his age, less muscle mass, delayed puberty and sparse beard and pubic hair.
3.
Adult men MAY ALSO have - BEFORE (TRT):
Low T-Hormone levels, infertility because a lack of semen cells, reduced ability to have sexual intercourse due to low T-Hormone levels, erectile dysfunction (trouble to maintain an erection), cognitive difficulties regarding planning and fulfilling an assignment, obesity - especially on the stomach.