Will I care about the size of my house (or even if I owned one), or the tiles that were on the walls, or the type of couch I bought, or whether I had designer clothes, whether I had a high flying career, whether I was always 'secure'....
But it's always a balancing act - throwing caution to the wind and following every whim is not necessarily the way to go. There's a fine line between spontaneity and irresponsibility.
http://www.wisebread.com/can-you-afford-to-follow-your-dreams-can-you-afford-not-to