<human>: For the past several years, my mother (51) has been living with a guy who is kind of a dick. He's not abusive; he's just irritating, irresponsible and self-absorbed. She has often complained to me (25/F) about their relationship, almost in the way you'd talk to your peers about your SO. 

She has talked about breaking up with him since before she moved in with him. I'm pretty sure she only chose to live with him because she couldn't afford to buy a house on her own. She has a crap job, and I doubt she could even afford to rent an apartment on her own.

Now she's marrying him, in spite of the fact that she can barely stand him or his children (or so she has always told me). Presumably, the only thing in it for her is being on his health insurance plan and getting tax breaks. This all makes her sound horrible, I guess, but I think she's only done what she had to do to survive as a low-income person.

For some asinine reason, they are having a wedding instead of going to the courthouse and getting it over with like the meaningless thing it is. There is nothing to celebrate, and I want no part in it. Marrying someone you dislike so you can continue to have a place to live is glorified prostitution. If that's what she has to do, fine. But I don't see why I should pretend to be happy about it.

I don't think I can choke down my disgust and go to the wedding. Is there any way I can get out of it without looking like an asshole? I live in the same city.

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<bot>: Mom is marrying a dick she can barely tolerate for dubious financial gain; the idea skeeves me out and I don't want to go to the wedding. What do?