Instead, celebrate his birthday like you would for a close friend.
Instead, celebrate his birthday like you would for a close friend. However, if you do go, be prepared to buy him a drink or two. Pretending to ignore the issue makes you look like as ass. We were 16 at the time however, so perhaps too juvenile? Actually he would have to give it to you: This is the definition of being anti-seductive to a woman. I don't think I like that idea though.