Haha,ammo only has negative effects if you od on it.Most people usually can get away with 1 spray though.Lol,its actually TUTH that usually can be perceived as too horny or coming on too strong,even at low dosages if its in the wrong situation.Haha,would try them out 1 at a time before you start mixing them to find your sweet spot for dosage and get used to the effects.Once you know what each one does,youll know when are good times to use them and mix them.Can check out the link below to find out how best to test them to find your sweet spot.
How to find your sweet spot… - PheroTalk Pheromone Research Forum