How do you define what "Being Mature" is?

My boyfriend and I have this talk all the time about me being mature and not being mature. He is a few years older then me and has always said that I am very mature for my age (im almost 24), but at the same time when we get into fights or are with his friends and I say or do something that they/he didnt approve of, “its not because I did anything wrong, I just need to be a little bit more mature”.

I understand where hes coming from when he says that im mature for my age. Because of my lifes hardships and the things ive been through forced me to grow up beyond my years. I see things and react to things in a much different way from someone my age, he says its more like I have the maturity level of a 30 year old verses a 24 year old most of the time.

Now the type of things that he says I need to be more mature about, I see it as its not a matter of matureness or lack there of, its just being honest and weather people can handle the truth, not take offence, see it as one persons point of views and not make more of it then what it is…

So what do you think “Being Mature” means…

If you need an example of a situation where him/his firends and I come to a disagreement that would fall under their “shes was immature” I have a perfect one for you.