When you and a buddy of yours (both must be men) are thinking the exact same thing at the exact same time.
Mason - "if you do could any celeb, who would you do?"
Axel - "jessica alba or olivia munn"
Mason - "dude holy shit those are the two people I was gonna say"
Axel - "We were on the same manlength"
Someone who jumps from one relationship immediately into another one.
Serial monogamists can not stand to be alone and often suffer from vast commitment and insecurity issues.
Because they jump into relationships immediately after the previous one has ended, serial monogamists typically don't take the time to reflect on their behavior or why their previous relationships failed; thus, they end up making the same relationship mistakes over and over again.
Person 1: Damn, Dustin already has a new girlfriend?! It's only been two weeks since he broke up with his fiance! I think he's a sociopath.