My uncle warned me that I might be in for a hard time because I was wearing the opposing teams colors. I just said "I'm from New England, I'll be fine." I was bracing for the worst s*** talk imaginable, but the Notre Dame fans (credit to them) could not have been nicer and more cordial.
One of my closest friends has a been going to ND games for over 40 years and has a huge tailgate at each and every home game ( he has missed 4 games in 40 years). I've been to many games with him and can honestly say that, unless you"re a total , ND fans will always be great to you. If you want a special treat, go to a game with the service academies. Everyone goes out of their way to welcome the visitors friend, fans and family.
Basketball fans however, both the mens and women fans, are quite different (worse) and usually pitifully uniformed about the game.