how do you tell your girlfriend her dog is ruining your relationship?

She had this dog before we met. It's not that I hate dogs. I don't even hate this particular dog. I just hate some of the behaviors he displays and I'm frustrated that she's doing nothing to correct it.

The first problem is how he acts when we have food. He doesn't just beg when we're eating. He will get his face right up to your plate. He feels like he's entitled to everything we have because she frequently feeds him off her plate. And if you don't give him anything he gets upset, will whine, and then will find one of the cats to terrorize. I have told her over and over to stop feeding him from her plate and to stop feeding him our food when we're eating. He's a dog and he needs to learn that. She doesn't listen. Anything I try to do to correct this behavior doesn't work because she will keep doing what she's doing.

The second problem is the dog sleeping in the bed. I've never been the kind of person who was ok with the dog being in the bed. It really messes with my allergies. I put up with it at first because he's a small dog and I didn't think it would be much of an issue. It is. He takes up more room than you would think possible for a dog his size. He steals the blankets. He snores louder than any person I've met. He wakes up in the middle of the night and scratches like crazy. I can't get a good night of sleep with him in the bed. And forget about being intimate. He goes nuts when he sees us sitting close to each other and will come and try to get between us. If she makes a sound in the bed, he has to rush up to see what's going on and sometimes growls at me. She finds it funny. I think it kills the mood. Would it be so terrible to insist the dog sleep in his own little doggie bed in the living room? He'd get used to the arrangement in a few days. He's a smart dog and can adapt to change quickly.