If you attempt to make someone else feel worthless, what does that say about you?

Why is my ex being so confusing? Sometimes he’ll say he misses me or even loves me and wishes I was with him but then takes hours or even days to text back, I’m just confused on whether I should get back in touch with him or cut him off.
Why can’t Trump supporters acknowledge how well the economy is doing? Inflation is lower in America than anywhere in the world. The market is hitting record highs on a weekly basis. Everyone who wants a job has one?