Hungover? Is that the same guy with drinking problem? Id say if it’s him, then nothing good will come out of it.

If it’s a new guy then I’d say if you texted in the morning, and he didn’t reply, he wasn’t really planning to have dinner. Did you discuss specific location and time or just hypothetical dinner discussion?

Also when was the last time he called or texted you without your initiating?

And when you say you were with him 4 days, do you mean he organized dates and took you out and you did stuff outside with him and him initiating at least 50/50? Or you just went to his house 4 days ago and spent 4 days in his house not leaving and going home and him making no effort to actually date you?