Otherwise they would not need a love potion.
It is recorded by Essential Oil Complete Works that rose essential oil can regulate internal secretion and relieve tension. Furthermore, it is a love potion.
And how soon before we create a scientifically valid love potion? (Already under study, by the way.)
But the really good news, as I see it, is that we might reverse-engineer an anti-love potion, a vaccine preventing you from making an infatuated ass of yourself.
While scientists have yet to concoct a love potion, their research is providing some helpful tips for a successful marriage.