"Fake" Sisters

I just heard Alley ask Michael if he was blessed to have a family like us. He said yes, of course. :) Then she asked if he was glad he had a mother-in-law and father-in-law like Mimi and Grandpa. He said yes again. Then she said, " And fake sisters like Jana and Heidi?" I laughed out loud (in the other room) and then told her they were technically "in-laws" too, but that he thinks of them as real sisters!