Iss Pyaar Ko Kya Naam Doon? S01 E132 Arnav and Khushi decide to meet

Khushi and Arnav are shocked when they see Akash propose to Payal. Later at home, Arnav is surprised to see Akash in a sad mood. Khushi also sees Payal in a similar condition. Khushi then decides to meet Arnav in the same restaurant. Why does she want to meet him?