I worked in physical thereapy for 5 years. It can benefit everyone, wimp or tough guy. Some of the toughtest athletes in the world have used PT to recover faster. There are still some old school doctors out there who don't believe in it, and some who won't prescribe it for insurance/financial reasons.

Anyway, I hope that you are well on the mend by now Pika. Getting hit from behind has always been my worst nightmare. In my experience the folks who recovered the fastest were the ones who were motivated and I'm sure you have no problem in that department.
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If you only travel on sunny days you will never reach your destination.*

* May not apply at certain latitudes in Canada and elsewhere.