Ahhh true, it would be better to see how they struggle to treat it and finally just to enjoy the last moment together. Actually it's not like she has to die, if it has more episode they definitely can make her recover again.
While waiting for Jerry Yan to give his own insight of the ending, here is mine(will stand until he gives his…
I agree, the mom wouldn't have been that sad if he ran really survived. And yeah I have seen many tragedies and I think that it's really that xiao han died after that flower blooms, that's why they reunited.