I get burned out too. What I do is close the door to the sewing room and forget about quilting until I feel the urge to take it up again, and I don't let myself feel guilty.
You can read good books, take walks, sign up for a class like cooking or photography - whatever you have put off while making quilts.
I find that I really enjoy quilt making when I have completely put it out of my mind for breaks.
Enjoy yourself - it is a vacation!
Wendy