Tony Soprano has a gay side?

In the sopranos does Tony Soprano have a gay side to him or had a gay fling or something? becuz when vito is outted as a fanook he sort of defends him and protects him... and when he was in dr melfi's office he was defensive about it ya know? he said quite defensively "and no i didnt have to do that **** i was in there for a short time" does anyone know?