The Moment.

It is very, very easy to forget, in a moment of anger, all the good things about you and the thing or person you're angry on.

Hello there, I'm the Earthian.

If there's something thats impossible, it's to undo things. You can't whatsoever take back the words or the actions that you said or did, in a spurt of anger.
Just to remind you, one small word is potentially enough to break up a relationship that was built inch by inch, admiring it's beauty.
Often, a man's biggest enemy is his words because he often lets them out knowingly, but unwillingly. And then when he realizes the impact of want he had done, he is filled with sorrow and regrets.
Just know that, a diamond is always a diamond. It's value does not change. Your liking towards it, may very well, though. And just because you started undermining a diamond, it doesn't mean it didn't undergo the pressure. It did, you just overlooked it in a moment.

My point is, it's not required to tell the people you love that you love them (If you do, you have my love and respect) but,
it's important you don't do otherwise. In this day and age, consider yourself lucky if you can honestly say you have someone that loves you.

Lots of love, peace.