“…To simplify the exposition, all proofs are collected in the Appendix. 1 The topics studied include: preference for flexibility [1], [3], [13], [15], [23], temptation and self-control [1], [2], [3], [7], [8], [11], [17], [18], [19], [20], [21], guilt [4], perfectionism [10], self-deception [12], regret [24], contemplation costs [5], [6] and thinking aversion [22].…”