Originally Posted by busbus
Thanks, this is exactly what was happening to me. Now it is verified. I need to tie one on after a while...er, I mean tie another dry fly on after a while.
Before you cut off the old fly and tie on a new one, try a rubber band. It's easier to show you than try to explain, take a look here -
Tenkara Fly Fishing: Rubber Band Fly Restore
I do treat my dries before fishing them as suggested above, but this dries the fly off better than anything I've tried in the past (and it's free).