Quote Originally Posted by mcatdog
People go all-in preflop with AK more often than you think they do. Even solid players do it sometimes if they think you're trying to push them around. If you have QQ, that doesn't matter as much because the all-in pusher is usually either a coinflip or a huge favorite against you making it an easy fold. If you have KK, there's a much bigger chance that you're a heavy favorite over him so you should usually call.

The advice to never fold KK preflop is garbage for lazy thinkers. Some people are such nits that they'll have AA every time. You need to know the player really well though.
a player will have to show me that they go AI pf with AK before i suspect it. also, it's not about whether they have AA every time. if it's reasonable to think their range is QQ+ then you and your KK are 50% to win. i usually don't enjoy flipping a coin for my stack in a ring game. i think auto-shoving and auto-calling off your stack with KK no matter what is lazy thinking.