Watch Two And A Half Men S11e21 -

"Walden!" he shouted, scurrying into the living room. "I’ve decided. Tonight, I am a man of mystery. I am the shadow in the night. I am... going to the local library’s silent auction."

"Great," Alan sighed, looking at his phone. "Now I just need to find someone who’s willing to be seen with me in public for forty-eight hours without a paper bag over their head."

Alan Harper was staring at his reflection in the mirror, practicing his "I’m an alpha male" face, which mostly just looked like he had a mild toothache. Watch Two And a Half Men S11E21

As Walden and Jenny began debating the merits of living a life without responsibility, Alan realized he had accidentally bid on a "Romantic Weekend for Two" at a bed-and-breakfast in Solvang.

Walden patted his shoulder. "Don't worry, Alan. I’m sure there’s a very lonely librarian out there who loves coupons as much as you do." "She’s an archivist, Walden! And she’s magnificent!" "Walden

Walden, lounging on the couch with a green juice that cost more than Alan's car, didn't look up. "Alan, the last time you tried to be 'mysterious,' the police questioned you for three hours because you were lurking near a mailbox."

"Check the fridge," Alan suggested. "That’s where I keep my pride. Right behind the expired yogurt." I am the shadow in the night

"That was a misunderstanding involving a lost coupon!" Alan huffed.