I have the same irrational fear and have for the last 11 years- however, NOT resting leads to injury and burnout. If you feel like you NEED to take some time off, you probably should. Personally, I think a whole week every six weeks is too much, but every 10-12 weeks, 5 days or so is a good idea.
You won't lose muscle or gain weight. Eat sensibly and don't make it a free for all food week and you'll be fine.
Gee, I should take my own advice!
Falling down is not failure....Failure is staying down.
Save the Earth, it's the only planet with chocolate and wine.
It isn't about waiting for the storm to pass...
It's about learning to dance in the rain.
9 years at or under goal weight!
Working Maintenance Everyday