Thanks for that, but let me be certain that I follow...

After I enter my password, sudo -k will extend the 5 minute limit on that password entry to "the Epoch" (whenever that may be), but only for that one command?

Code:
man:sudo:

-k          The -k (kill) option to sudo invalidates the user's
                   timestamp by setting the time on it to the Epoch.  The next
                   time sudo is run a password will be required.  This option
                   does not require a password and was added to allow a user
                   to revoke sudo permissions from a .logout file.

The new Great Equalizer is the SEND button.

In Memory of Harv: Those who can make you believe absurdities can make you commit atrocities. ~Voltaire