Join the military?

Hello, I am 19 years old, married, and have an eight month old son. Recently, I have lost all purpose in my life, i never want to do anything, i have zero social life and no way to make any friends that are my age that have similar mindsets to me. But Ive been thinking about the military, I think the routine and discipline might help me to get back on my feet. But i am severely out of shape and obese (never lost the pregnancy weight :/) I know it will be hard, but the air force does have a 14-week physical training program for at home to prepare for basic training and part of me is terrified, yet the idea still keeps gnawing at my brain.. im not sure what to do anymore.. im not sure if i even have enough self discipline to go theough with it, but part of me wants the challenge, i want to fel like i accomplished something, like im worth something, idk.. advice?

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