looking for bf...male born 1/30/66 in biddeford

I was born Sidney Porter on 1/30/66 in biddeford, maine. I am looking for my birth father, name unknown. I have already found my birth mother, which did not go well at all, and can not seem to get a straight answer about my birth father. ** name is Ann Porter, and she lived in Lincolnville ME at the time. Sometime in 1965. If anyone has any information about who my birth father would be, please message me. No strings attached and no great expectations. Just would like to know who he is.