Originally Posted by vsevolod4

Well ... I think many collectors have some form of "OCD" (and I am a HUGE collector). The only thing that is "wrong" with OCD is the label. Obsessive compulsiveness generally is not a DISORDER ... it is actually quite the opposite ... it is ORDER.

People with OCO (obsessive-compulsive order) have had a disproportionate, positive, impact on society, and are highly over-represented not only amongst the ranks of collectors, but also of patent-holders, Nobel prize laureates and over-achievers ... much to the envy of Type B "slackers."

As far as boarding passes are concerned; personally, once the points have been credited and the expense reimbursement has been satisfied, I don't need them any longer. But until that point, one should hang on to them. Thermal BPs often fail that hurdle. I've gone back to tax records from a year or two ago, and thermal credit card and other receipts have faded into illegibility. Not a good outcome.