I totally get that too!
When I young, I was told to be quiet so often that after a while, I just lost my voice. Sadly, I never really got it back completely. I was taught that no one likes a complainer or a demanding child. Funny. As I grew up I noticed that it was always the squeeky wheel people who get the attention grease.
Now I just go with the flow. I rarely set the pace for anything, but when I do express an opinion, a need, a preference or whatever, I expect to get my way. How unrealistic is that?