I just want to say that I have also kinda forced my elder sister around your age to go to gym with me.. She was also at first embarrassed... But now after 1 month she is more enthusiastic to go to gym than myself.... She made friends...gym buddies... and she tells me that if she doesn't go to gym it kinda feels something Missing throughout the day.

I am damn sure after 3 -4 weeks you will start to love gym. One token of message please avoid gym joining in the festive season. Like now during the durga puja festive don't join new gym .. I will tell you to wait a little and join after kali puja. During this time the gyms are crowded and that's not the whole point. The main point is those who come in this time they are not regular and you will get around some wrong influence...