In any case, the marriage between a Catholic and a Muslim, if celebrated in spite of all this, requires not only canonical dispensation but also the support of the Catholic community both before and after the marriage.
Do not be deceived and become a victim of his religion which has very oppressive rules regarding women's status and rights. While you may be in love, a Muslim man could just be using you to obtain legal immigrant status and citizenship. You must be warned that Islam is more than a religion; it is a way of life, a complete code of the 7th Century pagan Arabian culture that Muslims want to force non-Muslims to adopt.
If there is ever a dispute between you and your Muslim husband, he only needs to travel to a Muslim country and Islamic law, which favor men, would apply. The Muslim's mind is ingrained with the teachings of the Koran and his Muslim culture which favor men.
It does not matter whether he practices Islam or not. Becoming a Muslim's wife would mean you are sacrificing your freedom. If you hope to have a successful married life, consider finding a Christian man. If you are married to a Muslim, never even consider giving up your Lord and Savior Jesus Christ under any situations.
June 25, 2008 update: But not all the advice against intermarriage is directed to non-Muslim women.
There is the universal recollection of approaching Riyadh and witnessing the donning of the black abayas and face veils by the fashionably dressed Saudi women.
For many women, the Saudi airport is the first time they see their husband in Arab dress (i.e., the thobe and ghutra).
It is remarkable for its undiplomatic and anecdotal tone, so distant from the department's standard bureaucratic style.
For prospective spouses, "Marriage to Saudis" constituted an official tutorial in Saudi culture; for others, it served as a fascinating example of practical anthropology, school of hard knocks.
His sweet words and attention may blind you regarding the influence of his Muslim religion and culture.