Yap! We are free birds but we should always make sure that we use our freedom, not misuse our freedom. When it comes to our freedom we should always keep this constraint in our mind to do what is right; not what is our choice. Because the wrong decisions of our youth should not be the reason for us to regret later.
So I’ll put it as:
We are young;
We are free;
We are grown up enough to be free.
We are grown up enough to use our freedom.
Because we are the living without regrets now and also until we die ;
Because living without regrets is living to the fullest of our freedom till we die.