As a general warning:
In recent studies it has been shown than the onset of this condition tends to begin in males in their mid thirties. If you suspect that a male in your life has already begun this transformation, it is recommended that you distance yourself from him at once. Keep in mind that this level of douchiness increases tenfold every year that it remains untreated.
You know who you are. It is never too late to ask for help. But do not ask the people you have wronged. They have put up with you long enough.