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i have watched enough US dramas/sitcoms to know that the characters will definitely sleep around with each other in the stories. or at least have some romantic feelings for each other.
F.R.I.E.N.D.S. is one of the 1st US sitcoms i watched.

Monica, Ross, Joey, Rachel, Chandler and Phoebe started as F.R.I.E.N.D.S.
then Ross dated Rachel.
Ross and Rachel broke up.
Chandler and Monica got together.
Ross and Rachel had ONS with each other.
Joey fell for Rachel when she was pregnant with Ross' baby after the ONS.
Rachel fell for Joey after she had Emma.
Ross and Rachel ended up with each other.
Gossip Girl has one of the most ridiculously slept-around cast of characters.

Blair and Nate started out as puppy lovers.
they broke up cuz Nate fell for Serena.
Vanessa loves Dan.
Serena and Dan dated.
Vanessa and Nate dated.
Blair and Chuck dated.
Serena and Dan broke up.
Vanessa and Nate broke up.
Vanessa and Dan dated.
Serena and Nate dated.
Jenny fell in love with Nate.
Blair and Chuck broke up.
Serena and Nate broke up.
Vanessa and Dan broke up.
Blair and Chuck got back together.
WTF. im uber lost by the 3rd line that i typed. their lightning fast sleeparounds get on my nerves, which is why i kinda stopped watching.
Grey's Anatomy is about a bunch of liberal doctors.

Derek and Addison are divorced.
Meredith and Derek got together.
Cristina and Burke got together.
George carries a torch for Meredith.
Izzy carries a torch for Alex.
Meredith and Derek broke up.
Cristina and Burke broke up.
Callie and Mark are fuck buddies.
George marries Callie.
George divorces Callie.
Meredith and Derek reconciled.
George and Izzy got together.
Callie and Erica dated.
Callie and Arizona got together.
Alex and Izzy got married.
=___=
but the show's humorous and i like the gripping medical plot so i still watch it. hahaha.
HIMYM has 2 female characters in the story but they still managed to sleep with each other abit.

Marshall and Lily are college sweethearts.
Ted and Robin dated.
Marshall and Lily broke up.
Marshall and Lily reconciled.
Ted and Robin broke up.
Marshall and Lily got married.
Barney and Robin got together.
and i dont even find Robin hot. bah.

latest is Cougartown!
Jules and Bobby are divorced.
Ellie and Andy are married.
Bobby and Grayson are both in love with Jules.
Laurie and Grayson had an ONS.
Bobby and Jules had an ONS.
Grayson and Jules got together.
chey only season 1 and the cast almost completed a sleeparound, what more to expect in season 2 sia.
can the americans please stop doing sleeparounds?? boooooooooooo~~~
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