going to the gym

Do you go to gym?
I would like to,but don't have time to do so,I'm studying hard and only getting fat :( I feel so tierd,and I have need to eat lots of chocholate and drink cola and coffee.
Let me see your muscle rocking bodys ☺️
Maybe that makes me go to gym. XD  How often do you go?And what time took you to have the resaults?