<human>: Can you give me the gist of the text in a nutshell?

I'm a 23 year old gay male. I met Pat about 6 months ago and we've been very close. I've always gotten a "gay" vibe from him but figured that he came from a liberal family, has several gay friends, and he would have come out if he had an inclination towards men. 

About a month ago, I was at a gay bar with a few of Pat's girl friends when a gay male friend came over to us. He gave me a hug and said "I didn't know you were friends with Pat!  We hook up all the time." I was shocked, but even more so that all of Pat's friends already knew. Apparently this hookup of his has very loose lips. 

Should I sit Pat down and tell him that this guy has been spreading his secret?  I wouldn't tell him that all his friends know too, but I think he deserves to know what's being said behind his back.
<bot>: my male friend is hooking up with a guy who is outing my friend to everyone, should I let him know?