Speaking of the lean-in for the first kiss, a renowned therapist says many of us are still guided by the 2005 romcom Hitch and the 90:10 rule, where Hitch (Will Smith) tells his mate that the secret to a good kiss is to lean in 90 per cent and then pause, inviting the other person to close the gap. “I actually think 70:30 is a better ratio,” she says. “Ninety per cent might make you feel you’re about to be devoured.”
