Just curious what evidence other than his art does the lavender mafia have on him?
Every figure in history was gay unless we have evidence to the contrary. /s
That was one of those things that was said in the art history classes of my day. He and Leonardo probably weren't the only two Italian guys who weren't zooming the chicks 24/7, but Renaissance gossip is what it is (or is what it was). In any event, they weren't exactly Benvenuto Cellinis.