I dont want kids . is it a problem?

I dont want to be a mother. Because It will ruin my body, my health, mentally and physically. and maybe if I grow up I think of adopting a kid because ther is many orphans also I see south African kids here in tunisia and theyre in a very bad condition. They break my heart everytime I see em and I think maybe when I grow up ill adopt one . No need to give birth to a kid when there r so many who need parents just because he/ she will be " wldi mn la7mi w dami" . Am I wrong ? will this be a problem to Tunisian men? Does this mean ill stay " bayra" 5ater n5amm hka?