Can You Solve This Tricky Brain Teaser?

If Teresa's daughter is my daughter's mother, what am I to Teresa?

This is a brain teaser that requires some thinking. Here's the answer:

I am Teresa's son-in-law.

Answer:

The answer to the brain teaser is that you are Teresa's son-in-law.

To better understand this brain teaser, let's break it down:

Let's suppose that Teresa's daughter is named Mary and your daughter is named Maria. If Teresa's daughter is Mary, who is your daughter's mother, then Mary is also Maria's mother.

Therefore, you are married to Mary (Teresa's daughter) and you are Maria's father. This makes you Teresa's son-in-law.

So, the next time someone asks you this brain teaser, you'll know the answer!