It's just a simple story that probably happened to millions of people on the planet, but it manages to make my heart aches. Wondering the what could have been or regretting things that have been done. IMHO, The way they pictured a coloured world when they were together and a colorless scene when they are not together, it's a very nice touch. The last scene with the dad's letter is also making my heart aches. Last, the scenes when they are crying and laughing in the car wondering and regretting what could have been, what should have been and the if only scenarios, it's just perfection. Good acting from both of the leads too.