Lomed Mkol Adam-
The essence of bain adam l’chaveiro mitzvos are an expression of our natural moral feelings which Hashem created us with.
I don’t believe ???? ?????? mean they are inborn feelings. If they were they would be called ???? ???????. What they are, from my understanding, are mitzvos which one could figure out through contemplation and experiment, without Hashem telling us to do them.
Do you have a source for this idea that people are born with natural, moral feelings?