Has your wife or Angel done any reading here or on the various other sites or other outlets and resources to get an idea of what to expect?
Does Angel have a partner or partners?
In addition to but opposite to what Gala said.... could the chemical intoxication of the sex be blocking you normal response.
Triads rarely work. What happens if and when you get cut out ?...or your wife gets cut out <(far fetched hypothetical ) ???
Check out Braverseekers intro and other thread. He's going through a very similar transition.