How free can we really be?

If you think about it,your life is totally confined between 2 words."Why" and "Because".Whatever you may Think.Whatever you may Decide.Whatever you may Choose.Whatever you say.Whatever you may Do..Starts with "Why"and ends with"Because".So,in a matter of speaking,do we truly have the freedom of choice since whatever we do as an existance is confined in such a way?Or we can never be truly free as beings since the biggest prison of all and our total freedom is ourself at the same time?