So my cat is approx 13 this year (he's a rescue I've had about 6 years so it's an estimated age). In the last week every time I sit on the sofa he's got up behind me and started to lick my head? He does it to our dog sometimes when he gets home from daycare and it's 50/50 whether it's just a gentle lick and headbutt or if it's a lick and a bite/swipe so the poor dog hates it! It therefore makes me nervous because I don't know which I'm going to eat although he's not bitten or swiped at me yet. Can anyone explain this weird behaviour (he's never ever done this to me before) and any suggestions on how I can stop it?