Having sex and orgasms increases levels of the hormone oxytocin, the so-called love hormone, which helps us bond and build trust.
They found that the contact the higher the oxytocin levels.
"Oxytocin allows us to feel the need to nurture and bond,"
Higher oxytocin has also been linked with a feeling of generosity. So if you're feeling suddenly more generous toward your partner than usual, credit the love hormone.
