This could be a displacement activity to process the nervous energy. Additionally, oxytocin is the love hormone released through physical contact. Sometimes people will do things like stroke their beard to self-comfort.
"Pushing your partner in the face with your hand so hard their head reels to the side... should not be normalized by calling it 'fun' just to save political face."
"Blake seems to be investing more when it comes to doing the heavy lifting of looking happy and amiable... theyâre not seeming to project any sense of an easy-going relationship here."