Alec licked his spoon, then set it on the table and popped his drink open. "Okay, I may be breaking some kind of girl bonding rule or something, but can I offer you a guy's perspective on this?"I frowned, my spoon halfway to my mouth. "Is this gonna make me want to hit you?"He shrugged. "Maybe. But it's the truth. Here goes: kissing back is an instinct. Unless the girl smells like a sewer or has tentacles feeling you up independently, a guy's first instinct is to kiss back. That's how it works. What's important is how long that kissing back lasted. So...how long?
Rachel Vincent, My Soul to Steal
alec, funny, guys, kissing-back-is-instinct