the episode when yoongi asks y/n when she plan to tell the secret to the rest of the guys it means about you having a boyfriend (dilan) he discover that you had a boyfriend when he start to call you you where on the bathroom and he pick up and when Dilan talk he said (babe) so then you had to explain to yoongi and he accept to keep it a secret and then you will tell the guys.

in the part when you saw dilan putting a hand on the waist of a girl and the giving her some papers dilan saw you there and he pretend to give her the papers so you don't suspect something.