Who knows? But apparently you can here.

And being human's a pain in the ass is what it is. But...it's something to get used to. I've managed okay.

[He's quiet for a moment while he tries to figure out what to say. There's so much to say.]

It's nothing like Amestris at all. Sometimes that's annoying, but...I don't know. I've been happy here.

[In other words, happiness is possible for things like them in this world.]