APUS’ student body is composed of roughly 85% active or reserve component military personnel

APUS’ student body is composed of roughly 85% active or reserve component military personnel.  A number of military spouses are also enrolled as students. what are some special challenges that military members face as they navigate relationships and marriages?  What effect do lengthy deployments have on romantic relationships?  What about infidelity?  If you are a civilian student without first-hand knowledge of this topic please research.