You can always find some semblance of home in a new place, but without the people and places your grew up with and loved? It's always a tough lot. I don't think anyone's really gotten past that snag since getting pulled in.
And it's not like the Tesseract said, "Hey, I'm about to strand you in a new world. Anything you want to tell loved ones? Anything you want to bring along?" I can't even tell you how many times I wish I had just one minute to talk to my Aunt before this happened.
Humberto: Hey, I'd more than gladly join in and pitch in, but I know I'm a little at odds with you guys. Don't even worry if it's better for me to hang back -- just wanted to check in first before I said anything. Which is, admittedly, like, the second time in my life I've done something like that.