Taking 'Well, some of them that uh, with your mother Marsha uh, I she was, I believe about 18 when I was born.' as a given, does it logically imply 'I think your mother was still young when I was born.'
Well, some of them that uh, with your mother Marsha uh, I she was, I believe about 18 when I was born.###I think your mother was still young when I was born.