Change the "I think I might make him uncomfortable" to "he may be uncomfortable around me." He's responsible for his feelings, not you.
I think Addie might be on to something here, did H know you were out and out for a while? Did he call to talk to D later?
Me: 42/H: 37 T: 10 years/M: 8 D9, S8 Bomb: 7.23.07 Separated: 1.20.08 D Final 3.19.09 Affair started in '05, found out parts in 11/07. They married 11.26.09