While you’re single, you may as well learn some manly skills, too.
I grew up playing sports and only occasionally worked on the car with my dad or fixed something in the house. Katie almost sent me home packing because of my atrocious wardrobe choices. More on that story later, but the point here is that, if you have no sense of style or care about how you dress, find a good buddy who knows how to look sharp and get some pointers from him.
Third, if you don't want to date non-Catholics, don't feel guilty about it.
Anyone who sneers at what you love in front of you is not a good friend.
Second, you don't have to marry someone just because you had coffee with him once and dinner with him twice.
If you discover halfway through the coffee that he absolutely detests Catholicism, insist on paying your half of the bill and smile when you say good-bye. You do not have to date people who hate what and whom you love.
The Bible addresses the hardships that come with marrying a nonbeliever, so that's rather clear.
But single Christians may be tempted to say, "Well, it doesn't talk about dating. " To answer, it's important to take a step back and look at some principles found in Scripture.