Two good-looking men, one also is very rich but can't get over a woman in 8 freaking years and which friend goes after his best friend's ex like that -all this happens only in kdrama la la land.
Realistically at-least in their age group of 38-year-old friend group, several should be married and having kids, and not running around women like you are in high school.
The second paragraph was more of a rant because of the unreasonable setting these dramas are played on
FL goes on so many dates with SML, but gets sad and angry by seeing ML with another girl, Talk about senseless writing, all while knowing ML does not like SML but still hangs out with him.
Different opinion, but ML and FL scenes and chemistry are fine for me, and also just because many people mentioned, to me the chemistry between SML and FL is similar to the chemistry between predator and prey
K-Drama 
could have been better if SML was to be removed.
Realistically at-least in their age group of 38-year-old friend group, several should be married and having kids, and not running around women like you are in high school.
The second paragraph was more of a rant because of the unreasonable setting these dramas are played on