How are you feeling about the LM? I know it can be hurtful and confusing when your H does such wild swings in behavior and words. I guess my first recommendation would be to really, truly check in with yourself and make sure you're okay with what is happening. (Though if it makes you feel any better, my H swore up and down he couldn't imagine ever having sex with me again and if we ended up staying together we would just have to live together like brother and sister. I asked him specifically about this the other day. He said he knows he said that but he doesn't think it was actually ever true, he just said it. He sure seemed to mean it at the time, though.)
For all of the times you're together on this visit, I'd try to laser focus on what feels right to you and what makes you feel at all angry, or uncomfortable-- those might be signals that you have boundaries that are being crossed.
How is the rest of the trip going? How is the GAL?
Hang in there!
May
Me (46) H (42) M:14 T:18, D9 & D11 4/19 - 12/19: series of escalating BDs 9/20 - present: R and piecing