WCo-sleepingWConsummationWCruising for sexWFree unionWGropingWHaptic communicationWHugWHuman sexual activityWInfidelityWLiving apart togetherWMaternal bondWMénage à troisWOnline dating serviceWPaternal bondWPhysical intimacyWPolyamoryWPolyamory in the United StatesWPublic display of affectionWRelationships for incarcerated individualsWRomantic friendshipWPhysical intimacyWWhite Day