You would freak, then you would despair, then you would promise yourself to recover what you lost.
I'm in the third phase.

And I'm not rich but I've got 5000 XCP left.
Imagine if you sold all before the Overstock announcement, you would've less in Bitcoin value than you have now. So theres something to cheer. Saying that, I would've gone insane.
Rich is a matter of perspective, I would've been delighted if I had 5000 XCP.