He won't set a wedding date!?

My fiance refuses to set a wedding date. We have been engaged for six months, and it is always one excuse after another. First it was that we were moving, then his mother couldn't fly out, then money. Now we need to iron out "problems" in our relationship. I ask him about what problems he is refering... show more My fiance refuses to set a wedding date. We have been engaged for six months, and it is always one excuse after another. First it was that we were moving, then his mother couldn't fly out, then money. Now we need to iron out "problems" in our relationship. I ask him about what problems he is refering to, and he can't come up with anything. We fight just as much as any couple, about one argument per every 6-8 weeks. He has never had a relationship for longer than 2 months, and we have been together for about 18 months, so I think he doesn't realize that all couples have minor arguments and you just work them out. Grrr... What should I do?
Update: He's not paying for the wedding!!
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