You never mentioned his real dad in front of Luke.
I'd consider him my real dad whether he adopted me or not.
I'm pretty sure my real dad said something similar to my mom.
If he hadn't died of a heart attack, my mom would still be with my real dad.
And now he's going to kill our real dad.
The stuff about your real dad is in her diary.
I'm not even allowed to talk about my real dad, because it makes Jack mad.
"Is your heart big enough to love both your real dad and me?"
My mother introduced him to me as my real dad.
"I still consider Jerry more my father than my real dad."