Is it normal that my sister to have no respect for me?

I grew up with exactly the same problem but I was lucky coz I was 4 years older than her, and physically stronger. I hate to tell you but my sister was a rotten bitch from the day she was born right up to now, and she's in her forties. She could start a fight in an empty house and I have nothing to do with her. If she's anything like her, don't waste your time trying to win her round. Let her wallow in her resentment and hopefully she'll move out before you. This is likely as she probably thinks she knows it all.