If I were you, I'd want to go NOW and meet him for a bit, just to listen to what he had to say. But tell him you'll think about it, get the letter from your Dads and then meet him later in the week to talk about it. Forewarned is forearmed...
Or.. lie on the couch and eat chocolate...
Me:40! H:37 Together: 12yrs IDLY & left 11/07 ADs 03/08 OW 8/08 Reconciled 05/09 now married! my thread