Mexican food has nothing on Thai food when it comes to spice. I like spicy food, even Thai-spicy food, but I have only once made the mistake of asking them to make it as spicy as they could. I swear that little old lady was hiding a huge grin as she marched that order back to the kitchen. Then they only came out to refill my water once.
It was fucking delicious, but I think I started to hallucinate.