Kongera ubushobozi bwo guhumurirwa Nyuma yo gukora imibonano mpuzabitsina, umubiri urekura umusemburo witwa “Prolactin”.
Kugabanya ububabare Nyuma y’ibyishimo byinshi bibonwa nyuma yo gukora imibonano mpuzabitsina hari umusemburo urekurwa witwa “Ocytocin” ku rugero rukubye inshuro Eshanu ku rwari rusanzwe ruriho.