Obviously advice is impossible without detail...

If you feel you did or said something you shouldn't have, apologize if it suits you. Otherwise, mosey on and thank your lucky stars you didn't waste any more time on the guy. Teigyr's right, early warning systems function well, we just don't always recognize the cues.

Eh, they say there are more fish in the sea.
If fish aren't your thing men are about the same way but most of them are dry and don't have fish lips.