One Hundred Parabolas

Honey Lemon wants to ask Tadashi out but is too scared. Gogo tries to get her to do it. And Honey plans to make an effort. but she fears Tadashi saying no. When he dies, she starts to develop feelings for Hiro instead. Is this just a phase, is she supplanting what she felt for Tadashi on Hiro? Or is Hiro the guy she really likes, should have been with from the start?