Regret is distress over a desire unfulfilled or an action performed or not performed.
If you're missing joy and peace, you're not trusting God.
Wisdom is exercised in the choices you make.
We don't have to wait for something nice to happen to us, we can be aggressive and do something nice for ourselves.
You can look at a person's attitude and know what kind of thinking is prevalent in his life... It's better to be positive and wrong than negative and right!
The sooner we learn feelings are fickle, the better off we are.