Did anyone see before how cats kiss ? well i did! lols!

i was on my back home with keqian after the mini concert ... then i saw two cats inside the school premises, somwhere at the car park ... first the cats was like jumping then i thought they were fighting ... so, i stood there and see ... then sudenly it went silent ... then i saw it was standing, holding on each other shoulder, and KISSING each other lols ...