Barry simply holds both of them. Both...well, both had super powers. And both in need of something he, just Barry Allen, could offer to both of them. A warm home and meal to come home to. He leans and touches his forehead to the new Barry's temple, offering him another means of comfort.

"I'm just...Barry Allen. I'm a CSI in Central City and try to protect the city that way," he offers, "But if you ever come by my Earth, you always are welcome in my apartment as well."