Nouwen: We false define ourselves by: What we have, what we do, what people say about us.
Look at temptations of Christ in the desert.
1 John 2:16 – Lust of the flesh (temptation to feel), lust of the eyes (temptation to have), the pride of life (temptation to be) according to Rick Warren.
Also look at Genesis 3:6 as a play on this, and Matthew 16:24 as a rescue from this.