Regrets in life?

What's your greatest regrets in life?

Two tear drops were floating down the river. One teardrop said to the other, "I'm the teardrop of a girl who loved a man and lost him. Who are you?"

"I'm the teardrop of the man who regrets losing a girl..."

Life, not always have a 2nd chance. Treasure what you own, too late to cry over spilled milk in future.