We were having our morning cuddles in bed where he tries to make me late for work He was all snuggly, purry and warm but suddenly twitched and craned his head as if to do that grooming thing when something is irritating them. Only he dug his face and mouth (gently) into my thigh then turned to look at me, slightly confused 
I was wearing tiger print pyjamas, the exact same pattern and colour as his fur - I'm certain he thought my leg was his 
Attached a pic of daft cat (but not my pj bottoms)