have you tried speaking to him today, explain why you sent the email, does he know you have thoughts about self-harming,
there is a self-harming forum , you might get more response if you posted there
Self Injury
kathy
__________________

No kind action ever stops with itself. One kind action leads to another. Good example is followed. A single act of kindness throws out roots in all directions, and the roots spring up and make new trees. The greatest work that kindness does to others is that it makes them kind themselves.