Agreeing to the date too quickly and now feeling regret
Background
OKCupid, got some good rapport going, a little weird not sure what to make of him
Conversation
Relationship Coach's Analysis
You should've asked him followup questions on his answers, which didn't reveal much about his personality or intentions. Instead, you moved the focus of the conversation from him to you.
He seems like a decent guy - you just haven't learned enough about him before agreeing to meet up. Which is why you're unsure of your decision now.