Thanks for the reply! I had 2-3 summers jobs in manual labor and couldn't believe the amount of physical effort (and long hours) that went into it. I think ev

Thanks for the reply! I had 2-3 summers jobs in manual labor and couldn't believe the amount of physical effort (and long hours) that went into it. I think even more significant is the number of guys I've known in their 50's and 60's who have to walk with a cane, or have bad backs, and other injuries that have severely impacted their lives.