[Now it's Link's turn to be surprised. Twenty? He'd thought Pyrrha was his age, actually. She looks very young, and her timid attitude doesn't add any years to his perception of her.]

My age isn't what makes me who I am. It's what I've done that does.

[As Link has found out, once he can prove he's capable, people will trust him with any task regardless of whether he's a kid or an adult.]

I bet you're brave and adventurous too. You just haven't been given a chance to find out yet.