I'm by no means a vet, but he definitely seems to be temp checking. Keep on keeping on -- I think you're doing very well, but it's a long slog.
Me: 46 W: 44 Married: 17 Together 21 D13; S10 BD: 03.03.15 (Not attracted to you) Almost 2 years trying, alone, to save marriage Status now: Divorced (effective 06.13.17)