Why should receiving a check from my guru send my mind into such a flip out?

I’m just opening today’s mail. Why should receiving a check from my guru send my mind into such a flip out? I don’t want to cash it, since I consider anything with her writing on it sacred, so it goes on the altar. But I could cash it and donate it back. But she touched it, I don’t want to let it go!  Ah, I just answered my own question. Alas, attachments cause stress…