In Two and a Half Men, Charlie definitely did mind when Alan was seeing Chelsea (mainly because he is still hung up about her).
Alluded to several times in Friends.
In the end, Mabel decides against using another potion to fix things (on the grounds that meddling more might just make things worse and Wendy just decides to let it go since they seem happy together.
Slater then gets jealous when said Old Flame and Zack really hit it off.Hyde and Kelso are later reversed in this respect when Kelso starts sleeping with (and dating) Hyde's sister later in the series.One of auf der Suche nach sexueller e Karten the endings in Catherine has Vincent breaking up with Katherine and Johnny deciding to make a move on her.Some sites do tend to stick to usernames, but when prompted to use your name, use your real one.Chandler makes a big deal of forgiving him and makes him promise to do the same (as he's secretly dating Ross' sister, Monica at the time and is worried about Ross's reaction).Eggman : I can't watch this anymore!Shawn sympathizes but tells his father to deal with.

Would be normally ok, but Joey is serious about her too.
Clark refuses to go after Lana until after she formally breaks things off with Whitney.
Averted in season eight when Fez starts dating Jackie and Hyde and Kelso have no problem with.
See its sub-trope, bros Before Hoes.
Heterosexual Life-Partners, there are some lines you just do not cross, and one of them's dating, sleeping with, or otherwise getting involved with a woman your bro has broken up with.Team America: World Police has a sort of, gender Flipped versionSarah tells Lisa that she's attracted to Gary, and when Lisa winds up sleeping with Gary, Sarah feels hurt and betrayed.Try to work alternate schedules, the less you see of one another, the easier it will be to cope with the circumstances.Put some ice on it and he'll be fine.John Terry was also married, so legally he committed adultery.