This part of the Friends plot is decidedly not my favorite, but I've always loved this episode. Ross is at his Ross-iest and the less than compelling plot point of some of the friends switching significant others does make for some great comic elements. I also just love the idea of going to a Friend's (literally!) place and having a full on Mexican meal with fajitas and margs. It just seems so fun! I've seen this episode more times than I can count, and the line "That is going to HURT tomorrow!" is both delivered perfectly forever burned into my brain. I feel his too-many-margs pain when he wakes up on the couch the next morning, it's just a great fun and new-feeling way to get a majority of the group together in a scene. When my friend Sam suggested we make these veggie chilaquiles, I saw the skillet and Ross holding a hot pan with his bare hands instantly came to mind, so I fudged it a bit because it's a dish that can be either chilaquiles OR fajitas.