If you're an elderly woman at a grocery store who just can't seem to reach the top shelf, there's no one better to help than a 6-foot-2 professional athlete who also happens to be "as big as a house."

Washington Nationals outfielder Bryce Harper, who conveniently fits that description, was recently grocery shopping with his girlfriend when an older woman asked him to help her reach an item placed above her head. From the below photo, it appears to be mayonnaise or a condiment of some sort:

Washington sports fans have to love seeing their young phenoms going out of their way to help others. Whether it's Harper, Wizards guard John Wall or Redskins quarterback Robert Griffin III, the teams in the nation's capital have some good samaritans who also happen to be superstars.