Oh Wait, It's Just the Sims!

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AITA for divorcing my wife after only 1 day of marriage?

I (21M) have known my now ex-wife (21F) since we were children, as we lived next door to each other our whole lives. We started dating in high school, and moved into a city apartment together when we turned 20. Not to be dramatic, but she is the love of my life.

She recently found out she was pregnant, and in all the excitement I decided to propose to her. We didn't have enough money for a proper wedding ceremony, so we just invited our families to a wedding venue and got married without any ceremony.

A day after the wedding, we decided to travel to the Romance Festival to collect some dragonfruit, but while we were there, I caught my wife flirting with a random man. I couldn't believe she would do that, but before I knew it I was yelling at her and implying her mother was a llama.

Our argument escalated, and suddenly, she divorced me! I was devastated, and mere hours later she had packed up her stuff and moved back in with her parents. (Thankfully she didn't take our cat, too.)

The next day, she gave birth to our baby (a beautiful healthy boy), and immediately moved the baby in with me and hasn't visited the apartment since he was born.

I still love my ex-wife, and I want our son to grow up with both his parents, but I can't believe she flirted with another man randomly. AITA in this situation?