That's easy. I will spend the 10 BTC on some well aged Whisky and some nice ladies. The course of BTC will probably skyrocket as everybody seems to hold and doesn't want to spend. So in any case that's a sound investment for every party involved.

Just send them over to:
1MZ2XtGCK9nzqK5fabU38T83GELhXgDKTe