Same thing happened to me a couple of days ago.
I have a girlfriend (just a friend) who absolutely
love Dior Homme, so, of course, I always wear that
when around her.
Now, I can't smell it after about 2 hours, but last
time I went to her house, she said I smelled delicious
5 hours after I last sprayed myself. I asked her, 'can
you really smell that?' ... 'Oh yes, of course' she said.
I guess there is something about that nose fatigue after