system
Given the following post, respond as if you're commenting on Reddit:
human
Eli5 why putting clothes on when your body’s wet is so hard

Your skin becomes… stickier? It gets more friction. Why? Shouldn’t water make surfaces slipperier?
gpt
yeah water is sorta sticky to both you and the towel... that's why it doesn't just roll off of you to begin with. 

if the water is "deep" enough then internal water molecules become like wheels of a ball bearing and it slides across itself and reduces friction dramatically. by deep we only mean several molecules deep... like gravel or wet leaves on a path. a thin layer of gravel is stable... but if the gravel is stacked on more gravel then it gets weird and slippery.

so... the towel absorbs excess water through capillary action. this means that it takes away the depth. with only a single layer of water the water sticks to both sides but can't slide.