RON
I mean, we’ve been together so long – and married for so long – I mean, so long—

HERMIONE
If this is your way of saying you want a marital break Ron, then, to be clear, I will skewer you with this quill.

RON
Shut up. Will you shut up for once? I want to do one of those marriage renewal things I’ve read about. Marriage renewal. What do you think?

HERMIONE (melting slightly)
You want to marry me again?

RON
Well, we were only young when we did it the first time and I got very drunk and – well, to be honest, I can’t remember much of it and . . . the truth is – I love you Hermione Granger – and whatever time says – I’d like the opportunity to say so in front of lots of other people. Again. Sober.

She looks at him, she smiles, she pulls him to her, she kisses him.

HERMIONE
You’re sweet.

RON
And you taste of toffee.

Harry Potter and the Cursed Child - Chapter 3 :
See this quote in the Pensive -