[Bruno shakes his head in confirmation that he wouldn't bring it up if they'd already asked and he gave the answer.]

If they had asked, I wouldn't have told them without talking to you first, anyway. I know that Jean would keep himself under control like he did for Kakyoin, and I think Giorno would, too, but I know you don't really like a big production on your birthday all the same.

[Even subdued, Giorno and Polnareff are not exactly like Bruno picking up a small cake from a local bakery alongside a modest present meant to come from the entire team. Those are two different things even in small ways.]