He told me he would text me but didn't?

I ran into an ex boyfriend Sunday (we both still care for each other and stayed in contact.. with some flirting) and we got talking and he asked me how I was and it was so great to see me. He hugged me for a long time and kissed me on the forehead. When I told him I needed to go he said ok I'll text you! But he didn't I know it's only been a few days but I thought he would have contact me by now? Am I over thinking this? Do you think he will text?
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Update he did text me so thank you for the negative comments. 🙋🙋🙋🙋
He told me he would text me but didn't?
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