He is playing with fire here. If he loses control just once, he could possibly spend the rest of his life in prison.
Ireland Criminal Law (Sexual Offences) Act 2006 states:
"(1) Any person who engages in a sexual act with a child who is under the age of 15 years shall be guilty of an offence and shall be liable on conviction on indictment to imprisonment for life or a lesser term of imprisonment.
(2) Any person who attempts to engage in a sexual act with a child who is under the age of 15 years shall be guilty of an offence and shall be liable on conviction on indictment to imprisonment for life or a lesser term of imprisonment."
Read this article, AGE DIFFERENCES IN RELATIONSHIPS The legal age of consent to sex in Ireland is 17, then break it off with her.