This is why you see so many stories in forums about Muslim men dating Christian women.
Muslim dating is a lot more relaxed for men than women.
While men have their own social and cultural problems to bear (I would never want the responsibility that comes with being a first-borne Muslim son! They aren’t going to be judged as harshly for dating outside the Muslim faith, or for dating at all.
A lot of Islamic scholars and Muslim websites have further defined halal Muslim dating.
For example, Zaufishan lays out these rules of halal Muslim dating: Islam allows Muslim men to date outside of the faith.
He is just using you until he can find a “good Muslim girl” to marry.