Both rom-coms are slice of life with main characters as lawyers. In Love Is Sweet, both main leads are lawyers who knew each other since school whereas in She and her perfect husband, the FL is lawyer and ML works in finance who get strung together by a contractual relationship and eventually helping each other fall for one another. Both dramas have different feel to them but the underlying concept is similar.

Although different plotlines, the basics are the same - the ML, FL fall in love then separate but still hold a candle for each other, reunite and work it out. In crush the ML is blind and gets himself operated and his irritated nature makes FL not be able to be with her father during his last moments. The ML gets surgery and comes back. In L&P, the ML comes from a dysfunctional family of abuse and FL is a literal princess coming from a well-to-do wealthy family creating contrast and interesting scenarios. In both the ML is a genius with sad past and is lonesome, who is happiest with his bubbly FL.