a black dad - A black dad is something that was around at the beginning of

A black dad is something that was around at the beginning of time. No one knows when it started. It’s just always been there.

"He’s been around since the beginning of time.", he’s been gone for three days.

"He’s been around since the beginning of time.", he’s been gone for a week.

"He’s been around since the beginning of time.", he’s been gone for a month.