If the feeling of “love” is just a chemical reaction in the brain, why can’t we imitate a chemical that can instantly replicate that feeling?

Ok I know this probably sounds stupid and maybe I don’t know how to describe this question properly but I seriously can’t stop thinking about it. I have no background in chemistry but it intrigues me.

My little sister brought up the concept of “love potions” and asked if they’re able to scientifically exist. I don’t know why but it really had me curious. I mean…if the feeling of love is just a chemical reaction In the brain wouldn’t someone be able to imitate that reaction by creating a chemical that can replicate the same reaction?