I make a concerted effort to be 100% honest with my therapist and my psych. I wasn't, of course, but I did much, much better than I have been -- and I (shockingly) saw positive results.
I also decided to try sobriety after years of abusing drugs and alcohol. Sadly, I broke 1.5 months of sobriety today... but I guess there's always tomorrow. Day by day, right?