[aufreak]

I agree. Moreover, I think it would have been useful to measure variables indicating emotional state as the affirmation is uttered. If you feel crippled when you utter "I'm a lovable person", chances are your subconscious is saying "no you're not". It is also known that jumping from "Nobody loves me" to "I'm lovable" isn't possible for the most. You need to take small steps, each of which needs to be coupled with a better feeling.