Answer:
I am free for the taking. Through all of your life, though given but once at birth. I am less than nothing in weight, but will fell the strongest of you if held.
Be sure to shout for its answers are weak, but there is no language it cannot speak.
if your love your mom and your dad and your brother and your family members but no one knows who your are who are you?
What goes in, but never through? I've got some and so do you. We might lend one, or even two, but only if our trust is true.
I tremble at each breath of air, and yet can heaviest burdens bear.
I am the kind of an ant that's good at math. What am I?