I've had many experiences when I had been a high school student, till the now adult me. Students would always tease me for talking to myself. Yet, I found out at an early age, that talking to yourself isn't a bad thing. You only get judged for doing so around other people right? So why should you care about what people think? It's no different to talking to anyone else. The best conversations I've ever had is with myself. Building myself up, encouraging myself to do better, setting goals, achieving those goals and making more.
There is no need to feel ashamed for talking to yourself, it's what we all go through in life.
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Meh I do it all the time and when someone asks if I'm crazy j say "no I'm retarded, get it right"
I get what you are saying. Still, you shouldn't put yourself down like that, even if you are saying it just so they would go away.