In which way? You a...Procrastinator? Cheater? Slob? Bully? ... Inconsiderate? Boring? Quiet? Uninformed?
Is your issue about sagacity, spirituality, behavior, awareness, cleanliness, concentration, willpower? Consult, respectively: libraries, spiritual texts, your thoughts in each moment, a makeover guide that doesn't kill your self-esteem, and the Getting Things Done strategy.