When a man invites a girl for a dinner date, is he obligated to pay or should the bill be split if she chooses the place they eat?

He asked for a dinner date. She suggested the most expensive restaurant. Then her friend showed up, and the girls ordered the most expensive wine and menu items. She also ordered a take-home dinner so her brother could enjoy crabs. She spent the evening talking to her friend and ignored him. He excused himself to go to the restroom, paid for what he ordered, and left, leaving the girls to pay for a $600 bill. When she called, he hung-up and blocked her number.

When a man invites a girl for a dinner date, is he obligated to pay or should the bill be split if she chooses the place they eat?
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