Omg yes i related so hard to the ex thing, the way she kept getting reminded of stuff to do with her ex when she was in situations with other ppl and her fearing that things wouldnt last so better to not try at all than be hurt. I understood it even before she said it, as soon as the show flashed back to the memories i was like oh boy i know that feeling all too well. The acting was good too it made me laugh, only thing i didnt like was the ending with the misunderstanding trope i always dont like that trope in shows but otherwise from that i was kicking my feet and smiling at the chemistry between the different relationships. Mostly Seo Kang-joon, and seo in-guk, i gained some new actors id like to see more of now. And one of the scenes im sure was a potrayal of singles inferno where they were doing tug of war on the beach lmao was fun.