Is it normal that i am too nice to people?

Don't think of niceness as a relative thing. Being more nice to yourself doesn't mean that you are less nice to other people. You being nice to yourself is just as good as you being nice to someone else, because your happiness is just as important as theirs is.

Practice saying no to small things. Even things like other people helping you. Saying no feels weird if you say yes so often it becomes your default response, but after saying no a few times it starts to feel normal.

Perfectly normal. My brother can't say no to people either. Even though it's normal, it isn't good for you. You have to learn to stand up for yourself and say no. You're probably quite submissive, and the only way to train yourself to be more in control is to say "no" for the first time. The next time someone asks you to do something you're not into doing, just say no. Don't give an excuse, and if they ask, say you just don't want to do it and you don't want to discuss it further. Once you do this once, it'll get easier and easier to do in the future.

hey splashy, I want a new bestie.

wanta a new bestie? if you were mine i wouldnt share you so much pppprrrrrrrr

necessarily it's bad.., for those who haven't experienced this yet. but for me being too nice or good to someone we value the most is not bad.., we had that attitude of being so polite to people that if we say no.., our conscience makes us worried at all times, so just to avoid such feelings, we used to do whatever favor they asked. one more thing is that.., since those people were too close to us we never think that were wasting our time spending in doing such things that they supposed to do it by themselves. we are absolutely happy every time we accomplished their needs/tasks with our help.., we do, what we want to do even we know people were using us. just continue doing that thing if that makes you happy...

I used to be like that too and evry one would always ask me things that i was uncomfurtable with. So i stoped, and its slowly working.
Like at lunch i would sit somewere crowded and hang and talk and this girl asked me could i move so SHE could sit there. I told her ass NO. Ofcourse she started talking shit but i didnt care because the only reason she asked me to move and no body elese is because she thinks i will say yes and i didnt.
Dont let people walk all over you! It hurts and you dont need that kind of treatment!