[Pietro holds growing vexation for his inability to refuse her on this, sighing internally as he obediently kisses her collarbone. Not in one spot, but very very slowly going along the entire length, gently aiming to make marks, and issuing minor complaints every moment he isn't actively tonguing and sucking on her skin.]

We go any slower here and we'll be here all day.

[Despite his best effort not to show it, that does come with a tinge of actual irritation, but it's not for Wanda.]

You're not even dressed yet. Don't you want breakfast? Have other plans? It is your birthday...