She would wave right back at Marco if Maru didn't steal and demand all the attention from her hands now when he can happily cuddle against Mikasa again.

"It's okay. The door's always open to you."

She looks and sounds soft, gentle and friendly while saying that.

. . . But then Jean doesn't do that leaping thing and she can easily guess why (she is not wrong.) Seriously??

And then her entire expression and everything goes much more serious as soon as he says that. Hey, this time she frowns even more because seriously?!

"Right now? Or while you two were still here all alone? It might also make things anything but easy. You never know what happens, no one ever does, so at least have an Ackerman, or more like at least one Ackerman, in the room to make sure it doesn't go to hell."

That's harsh and blunt, but she knows she is not wrong!