You know you are getting old when …

Was taking out the trash and noticed the light by the back door was burned out.
Headed back inside to get a new bulb.
Stopped in the kitchen to get a drink.
Got to the back of the house (where lightbulbs are) but could not for the life of me remember why I was there. I knew it was something important but was drawing a blank.
I figured if I went back out to the area I was in previously I would remember.
And sure enough when I got outside and noticed the light was (still) out – THAT was what I was doing.

Getting old sucks some days.