Even the best fall down sometimes

That's true. You should have learned that by now. It's not that they deliberately want to hurt you; it's just that it's something that can't be avoided.

Although it hurts a bit, it shouldn't be a cause for anger.

Just think of it this way: sometimes, we aren't aware that we have turned on the people repellant switch. Yes, there is such a switch.

Hayaan mo na. Life is too short to hold a grudge against someone especially someone close to you.