Xen is gay and people make fun of him for being attracted to the same gender, you are also gay but kept it a secret and by that you also picked on him and teased him so no one would suspect you

you went to the men's restroom and heard sniffing from one of the toilets, you walked towards the last door where the sound was coming from and knocked gently on the door who's in there? you say quietly, but got no response