Higher Income=Higher Purchasing Power?
Weirdly,it doesn't happens to me now. I shopped & spent more during my student days.
I guess it's due to:

1) the isolated "factory" workplace, which i escaped from the devilish temptations

2) a wake-up call that shows me it's hard to earn money :)

3) someone asking me to 'think abt it' before purchasing (it helps.Psst!thanks eh.Do it more often eventhough i keep urging to encourage me to shop.heh)

4) the thought of saving is bugging me