Finding Dad confirms that this group is safe and trustworthy, and it continues to expand Frenchie's understanding of what home and family can mean. Now, he has access to two different families (his chosen family with Miig and his biological connection to Dad), as well as the possibility of a romantic, chosen family with Rose sometime in the future. This complicates Frenchie's understanding of family and allows him to see that he needs multiple people to fill various roles.