I am still having a hard time with that one, myself... always sorely tempted by yarn shops, thrift shops, sales on art materials (online or in shops), tools, books, movies I like on DVD... we all have our vices and I have often succumbed to the one called "buying yourself toys and goodies to make up for spending 40-60 hrs a week working for someone else."  but after retirement I'll have to watch my expenditures closely and that will cure that particular pathology, real fast :-)

The difference between theory and practise in practise ...