Retire Better: These 7 habits will keep your mind sharp no matter how long you work No Comments Uncategorized These are tough jobs — how old is too old? These are tough jobs — how old is too old? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)