An old man walks into a bar and asks the bartender for a shot of the strongest stuff he has behind the bar.
Bartender tells the guy he has a very old bottle marked XXX and no one has ever been able to handle just one but the patron interrupted and said "Make it a double!"
Bartender is a little taken back but you know that old saying "The customer is always right so he obliges the request and pours the patron his double.
A few seconds later the guy downs it in one shot, his eyes start to tear up, his face turns all kinds of funky colors and looks into his front shirt pocket at something, wipes the tears from his eyes and orders another double.
The bartender is freaking out now but the man is still semi coherent so obliges him with another.
This same thing happens for maybe 1/2 the bottle and the bartender is lost so asks the guy what the story is with him being able to even be awake and WTF is he looking at in his pocket between doubles.
Patron smiles at the bartender and explains he's on his way home and as soon as the pic of his wife that he has in his shirt pocked started to look good, he knows he can go home.