My friend used to say on a private FB group that her cat was trying to sniff her breath, but she didn't let him unless he was insistent. My Dublin sniffs my breath, & I let him. I don't see the problem with it, & I chuckle sometimes when he seems to try to get his whole head in there. He seems...
Dublin has a lot.
Rub-A-Dub
Rub-A-Dub-Dub-My-Dub-In-The-Tub (he likes to be in the bathtub)
Sink Kitty (he likes to hang out in sinks)
Bubbadoo & Bubby - just because
Dubby, Dub, the Dubster (this last one by some of my friends; all because of his name)
Snuggle puss (he's a huge snuggler)...