Cyber affair - a strictly online affair that may be restricted to sexual exchanges or involve emotional intimacy as well.

Main squeeze - the person you are involved with.

G spot (Grafenberg spot) - an area in the front of the vagina thought to contain sensitive tissue like that in the prostate.

Erectile dysfunction - a consistent problem with obtaining a quality erection.

Renegotiation - the process of adjusting to changes in a marriage that affect routines and responsibilities.

Cyber sex - the online exchange of hot chat, including graphic descriptions of sexual acts.