I have a question about receiving SSDI if a grandchild lives with you. My son and his ex-wife have joint physical and legal custody of my 8 year old grandson. Unfortunately, she only comes around once a month, and my son works nights. The court said three years ago that i was the recommended person to care for my grandson when he was not with them. It is much easier for me to have him here than to have to go to my son's place every day, and I cannot live with my son. He stays here and my son sees him almost every day. If I am approved for my SSDI will it matter if my grandson is here with me? Any help would be appreciated.