My fifth wheel over hang has made contact with my truck bed rails only once (that I am fully aware of) and it was a hard enough hit it made a crack in my front cap. I fixed it myself as it was cosmetic.
However .... not my "bed" but my "head" has made contact many times! Ever time I come back into the camper with a new bang on my head, the wife laughs now and simply says ... "Looks like you lost some more brain cells, didn't you!"
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Who you are right now is a sum total off all you use to be.
2019 Montana High Country 375FL
2014 Chevy Silverado Duramax, 6.6L Dually