Both films show two strangers whose awkward initial encounters bloom into a curative kind of love, with different stories representing the emotional struggle most young adults and grown-ups undergo, 'Love You to the Stars and Back' and 'That Thing Called Tadhana' exhibits that love does cure all.

Both step-siblings on these stories undergo hardships after being abandoned by their parents. With the brother always trying his hardest to protect his younger sister even when their health or life is at stake.

Their similarities lie on the fact that both lead roles of these movies encountered an unfortunate accident causing them to have amnesia that made them forget the people who matter to them the most.