Based on the context and the answer, generate a question. 

Context: I forced him . XPSo we went onto the train , at 10 pm . Mostly teenagers who share the same destination with us . Two of us leaned on a wall on the train , him folding his arms while I put my hands into my pockets .

Answer:

There is no other place to sit down .



What may be the reason to act like that in the subway ?