The subject has been mentioned before. Agreed, if it was linked to PM's, imagine how many messages you'd have a day. It'd become kind of like Facebook and their notification function..
If it was to be added, something which is unlikely, I'd suggest at least adding a box where you can de-activate it.
I love the suspense of wondering who nuzzled me, it makes me smile whenever I see it!. I think I would rather the thought of having a secret admirer than to know who did it
Awh I love it when that happens. C:
I enjoy the whole suspense feeling of it, not knowing who floofed 'ya is the best part in my opinion!