A feeling is not an emotion, a feeling is what can't be seen. Here are a few of the most common feelings that bring people to the release effect.
Feelings that work against you
not good enough / abandonment / jealousy / envy / helplessness / loneliness / trapped / panic / rejection / lost / hopeless / failure / poverty / etc.
Feelings that work for you
freedom / inner peace / calm / capable / self acceptance / secure / trusting / connected / plenty / confident / successful / direction / etc.