It became obvious when Johnny started dating someone Then he let it slip that it was a boy, which No one in the gang had a problem with The main question then became, who was it?

They assumed it was someone like them and they would find out later well until Dally was at a diner lookin to snag something when he saw in the corner where no one would notice them Johnny and...a Soc boy...?

Dally when over to the table putting his hands on it getting Johnny's and the Soc boys attention

"So this is who you have been shagging" Dally said in a hit of a teasing matter