Both dramas have a actress FL falling in love with a ML that are in very serious fields(FMIYM: News Achnor, TYH: Lawyer).
Both FL's have an upcoming role with a job that corresponds to the ML's profession and seek out his help to do her best.
Both ML's are harsh towards the FL at first because of her life as a celebrity, but soon respect her due to the jobs hardships
Both FL's maintain a positive and cheery attitude towards their less-than-favorable circumstances

The main difference between these two is that FMIYM has a fantasy element to it while TYH is more so your everyday office romance.

Not exactly the same but they seem to have similar messages and character set-ups
- Both ML's were overweight in their younger days leading to self image issues
- Both ML's face psychological issues because of the FL's past rejection
- Both drama's feature a boss/employee relationship