, ▁V ul can ▁males ▁and ▁females ▁experience ▁an ▁over power ing ▁h orm one ▁im bal ance ▁known ▁as ▁pon ▁far r . ▁Once ▁triggered , ▁a ▁V ul can ▁must ▁have ▁sexual ▁inter course ▁with ▁someone ▁or ▁the ▁chemical ▁im bal ance ▁may ▁cause ▁ins an ity , ▁loss ▁of ▁self - control , ▁and ▁death . ▁ ▁Despite ▁popular ▁opinion , ▁T OS ▁writer ▁and ▁story ▁editor , ▁Dor othy ▁C . ▁Font ana , ▁ins ists ▁that ▁pon ▁far r ▁is ▁not ▁the ▁only ▁time ▁that ▁V ul c ans ▁feel ▁sexual ▁desire ▁or ▁eng age ▁in ▁sexual ▁activity : ▁ ▁V ul c ans ▁mate ▁normally ▁any ▁time ▁they ▁want ▁to . ▁However , ▁every ▁seven ▁years ▁you ▁do ▁the ▁rit ual , ▁the ▁ceremony , ▁the ▁whole ▁thing . ▁The ▁bi ological ▁ur ge . ▁You ▁must , ▁but ▁any ▁other ▁time ▁is ▁any ▁other ▁em otion — hum ano id ▁em otion — when ▁you ' re ▁in ▁love . ▁When ▁you ▁want ▁to , ▁you ▁know ▁when ▁the ▁ur ge ▁is ▁there , ▁you ▁do ▁it . ▁This ▁every - se ven - year s ▁business ▁was ▁taken ▁too ▁literally ▁by ▁too ▁many ▁people ▁who ▁don ' t ▁stop ▁and ▁understand . ▁We ▁didn ' t ▁mean ▁it ▁only ▁every ▁seven ▁years . ▁I ▁mean , ▁every ▁seven ▁years ▁would ▁be ▁a ▁little ▁bad , ▁and ▁it ▁would ▁not ▁explain ▁the ▁V ul c ans ▁of ▁many ▁different ▁ages ▁that ▁are ▁not ▁seven ▁years ▁apart