Ask him to make an appointment with five well-respected individual therapists or family counselors. Not even MARRIAGE counselors, just individual or family counselors.
Also, I am sorry to say this but this R is most likely a PA. They were in a hotel room together so there is a small chance it stopped before intercourse, but it is small. Couple that with the fact that he had himself tested for herpes would indicate they have had sex.
M 46 H 44 D 12 S 8 M 9 T 11 BD 2/15/13 "Makes sense to stay together" 5/12/13 Agree we are 'healing' 7/13 Definitely Piecing 9/13