The effects of oxycodone include pain relief, euphoria, anxiolysis, feelings of relaxation, and respiratory depression plus numerous side-effects.
Oxytocin (Oxt) is a human peptide hormone plays a role in social bonding, sexual reproduction in both sexes, and during and after childbirth.
https://www.ted.com/talks/paul_zak_trust_morality_and_oxytoc...