Your reaction: By now we're indicating the real thing, just not a peck. A person get one, so being count. Incredibly kiss involves a complex information currency. Studies show men prefer kisses to be wetter using more tongue than women. Th…

Her reaction: During sex, oxytocin and vaso-pressin are released, hormones associated with bonding, commitment and rapport. But there's a twist. Oestrogen increases oxytocin's effects, while testosterone decreases them. After one nights se…