What would you do if your ex showed up at work?

We broke up in December and had no contact since then. Two days ago he suddenly showed up at my work. We had a short conversation about daily stuff, you know, and then he left. Last night he texted a message asking me to go out for dinner. So, what would you do?

What would you do if your ex showed up at work?
What would you do if your ex showed up at work?
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