This episode of Sick contains a few curse words and deals with sexual themes.

Just keep that in mind if you have kids around.

Matt White's entire life changed in a moment.

He already knew his dad wasn't his biological father.

His parents weren't able to have children without help, so they went to a fertility doctor

to use an anonymous sperm donor.

Matt had decided early on.

He never wanted to know who the donor was.

One looked at a doctor in a new story, and that decision was taken out of his hands.

There was no turning back at that point.

It was just like, okay, then I'm looking at my biological father.

I knew instantly without a doubt.

His mom, Liz White, put her trust in the wrong man, the wrong doctor.

Ronald Klein didn't use an anonymous donor.

He violated Liz's trust.

He used his own sperm.

So yeah, I called my mom and I asked her, I was like, you know, was your fertility doctor

when you had me, Donald Klein, and she hadn't thought about that name in three decades.

And she said she had to think about it.

She was like, yep, that was him.

And she pretty much lost it on the phone.

I was stunned.

...