I don't buy 'regret' idea.
I need life's good lesson.

Don't live in regret! It is such a useless idea.
Use the memory to prevent us do bad things!
Regret is a childish wish, or an empty hope,
trying to revise the bitter memory of the past.

Secrecy is an idea which presumes
men can't read minds to each other.

With grumble, nobody changes anything, even himself.

If your heart tends to force friends to do as you say, seed of discord is being planted in your relationship.

Men didn't have any idea about regret
before God felt so once after created us.