Hey hey,

Your friend was totally out of order to get angry with you, but sometimes people panic when they see cuts, even when they already knew about it.
You were not being stupid reacting that way - I am sure most of us can relate to what happened.
Agree with Angela that it would be a good idea to talk to your friend.

And please please do not be hard on yourself for cutting after two weeks. Quitting is extraordinarily hard & you are doing great. Just think how much easier it will be next time. Try not to think of it in terms of "good behaviour" and "bad behaviour" - just as something you want to stop doing. Likewise "stupid" reasons (what after all, is a good reason?). You are not stupid, you were triggered by a very emotional and hurtful situation.

*massive hugs*