"How about i give you a small hint on how to chose a candidate for yourself?"
"really?!"
Tap Xiurong has a mindset of a kid, and she also acts like a kid but that doesn't mean that she don't know what marriage means.
She knows that she will be spending her whole life with that one person, to whom she will be married.
Thus, it's not like she is a kid and don't know anything.
She knows that her marriage will happen but who will be her husband is a big question. It could be a handsome man or just a savage beast who will never look after her once she is married. Or he could be a gentleman.
She is worried about her future and hearing Spirit King's word, she would love to receive some advice in choosing her husband.
But
"But as far as I know, the 3rd emperor of heaven said that the one who will be able to lift the spear he gifted me is the one who will be suitable as my husband.