I recently went back and read through your posts regarding FF because he was so often being referenced. Here's the one thing that stands out to me from that era. When things were going downhill with FF, you started saying that if it didn't work out with him you were going to stay single until D was older and/or moved out. I didn't that was really necessary, but I read way after the fact so obviously didn't comment.
Now you meet new guy, first date you weren't feeling it, second date you were feeling it, he didn't text you V-day you were upset with him, 3rd date your planning a sleep over.
I guess my thought is this, you went from never dating, right to what I would consider moving fast; each interaction (or lack of) is bringing out a high or low in you and it reminds me of the roller coaster ride post BD (before detachment) usually posted in newcomers.
I'm not being judgmental about the way your R progresses. In Dawns thread she describes juggling two men, which can be drama filled, but when I read her comments I don't see what is going on in her life affecting her emotions.
I guess I just worry that going from "NO more dating" to "going fast" without trying to take things slow may set you up for disappointment.
M - 9 1/2 years 5/5/16 - Bomb drop - 3 week EA 10/31/16 - We sold house 01/10/18 - D Finalized