I am quite a calm, placid person, I am pretty confident but not especially extrovert and am happy to just be doing my own thing.
I am not a pushover but I am not especially reactive when people try to push my buttons or wind me up. I can see what they are doing even when they think they are being subtle with it and I just let it wash over me, its not worth it to get all worked up about other peoples "stuff" in my experience.
I do think though that at times some people mistake my placid temperament for being weak and think they can use and abuse me which isn't the case at all. A woman I used to work with when I was quite young tried to bully me, I only worked part time and when I left she'd go though my work from the morning to try and find mistakes in my work so she could report them to bosses and was constantly harassing me, or trying to. Eventually other team members reported her bullying to the bosses and she ended up being disciplined. My colleagues were appalled but it didn't really upset me, it was only her who was getting all worked up about things and I didn't really think about it or her at all. Perhaps in a way my lack or reaction actually provoked her more. I could see what she was doing but it just seemed to me to be her issue not mine.
Do you think people do mistake a calm, placid personality for weakness they can exploit?