I should start by saying that if apologising is something you’re already good at, I salute you, because it’s not always easy to eat crow. Plucking the feathers alone is such a hassle. Still, if one wants to be a Total F--king Grown-up, one must find a way to show up and take accountability for one’s actions and behaviour. Full stop.
And believe me, I know from extensive personal experience that prostrating yourself before Those You’ve Wronged, Disappointed or P--sed Off can be anxiety-inducing and embarrassing,