While Anthony Weiner isn't learning from his mistakes, his pattern of self-sabotage offers us all the chance to be wise and learn from him. No matter what level of success one has achieved or how smart they appear on paper, they are doomed to repeat their mistakes and ensure their own downfall, if they choose to ignore their conditioning and the invisible forces that hijack their better judgment.
Draw a hard line between the good choices and bad; there's no point mulling over things that just aren't good for you. Of course, you should always trust your gut. Your gut feeling is based on all of those previous experiences and intuitive feelings you may not understand or even remember, but it won't lead you astray.