He doesn’t like me so why did he get upset when I unfriended him?

Id like advice about a guy, he always said he didn’t like me but would act like he did, flirting, rang me by ‘accident’, joked about sleeping with me etc. When we first met we were friends and over the years we followed each other but lost contact and didn’t speak. Recently we reconnected but he didn’t tell me he was engaged after months so I unfriended him and he got upset with me.

He asked if I was seeing anyone and showed zero signs of being with anyone let along being engaged- no pics of her online or anything.

I don’t get why he got upset when he doesn’t like me in the first place, and he didn’t think it was a big deal to tell me he was engaged?

He doesn’t like me so why did he get upset when I unfriended him?
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