You don't have to be "perfect" at consciously practicing the law of attraction. First of all, there is no such thing as perfection. There is no perfect formula that "works" for everyone. You are always working towards "closing the gap" between what is possible in this creative universe and your current vibrational state. The more you continue to raise your vibrational state, through whatever technique(s) you choose, the more the gap closes and the closer you get to obtaining your desires.
Second, as you are raising your vibration,