Scully: Mulder, you have never remembered my birthday in the four years I've known you. Mulder: That's the way I like to celebrate 'em, every four years. It's like dog years that way... Scully: Dog years? Thank you.... Mulder: You're welcome. Oh, I got somthin' for ya... Scully: Oh you've got to be kidding me! Mulder: It's just something that reminded me of you. Scully: What? An alien implant? Mulder: Two actually. I made 'em into earrings. "The X-Files: Tempus Fugit"