STATEN ISLAND, N.Y. — Pete Davidson is still getting used to the fact that his daughter is really here, and already, he and girlfriend Elsie Hewitt are talking about what might come next.

Just one month after welcoming baby Scottie Rose in December, the couple hinted they’ve already started imagining a bigger family, and maybe even marriage.

“We want her to have a friend, for sure,” Davidson told “Us Weekly.” “We love the idea of her being a big sister.”

It’s a surprisingly forward-looking comment from a pair still adjusting to the brand-new reality of parenthood, which Davidson recently described as surreal and instantly life-changing.

“The first three months of the baby is, you’re just keeping her alive,” he told “Us Weekly,” adding that they’re focused on getting their routine down before jumping too far ahead.

Still, the idea of another child is already on the table.

Hewitt admitted she didn’t expect to feel that way so soon after giving birth.

“I didn’t think I would already think about having another one,” she said. “The idea of that sounds absolutely insane right now … The process of giving birth is so insane, but so empowering once it happens.”

And yet, she’s already feeling the pull of doing it again.

“The idea of making another one and making a sibling is something I’ve already been like, ‘I want to do it again,’” she said. “They’re so tiny when they come out, and they grow so fast. It’s crazy.”

While they’re not rushing anything, Davidson didn’t exactly shut down the idea of what might eventually come after many diapers and sleepless nights.

When asked about marriage or “enough kids for a soccer team,” he replied simply: “Yeah, we’ll do all that stuff.”

For now, though, the couple seems content to stay focused on the early days with Scottie and taking the next chapter one step at a time.

“I think we’re both a little more resilient than we thought,” Davidson said, “which is cool.”