. ▁There ▁are ▁many ▁reasons ▁why ▁a ▁person ▁fails ▁to ▁be ▁ar oused , ▁including ▁a ▁mental ▁dis order , ▁such ▁as ▁de pression , ▁drug ▁use , ▁or ▁a ▁medical ▁or ▁physical ▁condition . ▁The ▁lack ▁of ▁sexual ▁ar ous al ▁may ▁be ▁due ▁to ▁a ▁general ▁lack ▁of ▁sexual ▁desire ▁or ▁due ▁to ▁a ▁lack ▁of ▁sexual ▁desire ▁for ▁the ▁current ▁partner . ▁A ▁person ▁may ▁always ▁have ▁had ▁no ▁or ▁low ▁sexual ▁desire ▁or ▁the ▁lack ▁of ▁desire ▁may ▁have ▁been ▁acquired ▁during ▁the ▁person ' s ▁life . ▁There ▁are ▁also ▁complex ▁philosoph ical ▁and ▁psych ological ▁issues ▁surrounding ▁sexual ity . ▁Att itudes ▁towards ▁life , ▁death , ▁child b irth , ▁one ' s ▁parents , ▁friends , ▁family , ▁contemporary ▁society , ▁the ▁human ▁race ▁in ▁general , ▁and ▁particularly ▁one ' s ▁place ▁in ▁the ▁world ▁play ▁a ▁substant ive ▁role ▁in ▁determ ining ▁how ▁a ▁person ▁will ▁respond ▁in ▁any ▁given ▁sexual ▁situation . ▁ ▁On ▁the ▁other ▁hand , ▁a ▁person ▁may ▁be ▁hyper sex ual , ▁which ▁is ▁a ▁desire ▁to ▁eng age ▁in ▁sexual ▁activities ▁considered ▁ab norm ally ▁high ▁in ▁relation ▁to ▁normal ▁development ▁or ▁culture , ▁or ▁suffering ▁from ▁a ▁persistent ▁gen ital ▁ar ous al ▁dis order , ▁which ▁is ▁a ▁sp ont aneous , ▁persistent , ▁and ▁un cont roll able ▁ar ous al , ▁and ▁the ▁phys i ological ▁changes ▁associated ▁with ▁ar ous al . ▁ ▁Phys i ological ▁and ▁psych ological ▁response ▁patterns ▁