After the hit, Wainwright (5-2) doffed his cap in appreciation during a prolonged standing ovation from a sellout crowd of 43, 050, then quickly retired the next two hitters.

NPR: Cardinals Beat Rockies 3-0 On Wainwright Gem

Prolonged eye contact during a debate or disagreement can signal you're standing your ground.

WSJ: The Decline of Eye Contact