LOL no I an not that sad LOL, it's a saying I first heard on an American show,can't even think which one now, and I thought it was amusing, so it became a staple for me now :)
And on reflection I also say "see ya see ya wouldn't wanna be ya"....and also I have a cousin that does not say goodbye, he says "So long" :)

It takes one tree to make a billion matchsticks, but one match to burn a billion trees