Have you considered that the problem is not the real problem? The problem is how you think about the problem. Think differently about the problem and you'll not only change how you feel and experience your reality but ultimately change how you respond to the problem.   Until...

Regret doesn’t get you anywhere, nor does it change what happened. But it’s impossible to avoid regret. Instead of ignoring or wallowing in it, use your regret more wisely. How? Accept your regret and learn from it. Recognise your missteps and what you could have done...