Wife spends all her money on horses

Hi, My wife and have been married for fourteen years and have been together since we were in eight grade, We have a fifteen year old daughter together. My wife is in the nursing field and I'm a Diesel Tech, Right now I make the most money and pay 99% of the bills. Here's the issue, My wife has two horses and spends EVERY dime she makes on them, which isn't enough to even cover all the expenses that comes with them,(id say minimal $1500 a month) My daughter loves the horses and competes in shows and does very well, while I want my daughter to have and do what she wants in life, I'm absolutely drowning in debt, I'm in the process of filing Bankruptcy, my wife's never had good credit and everything we have is in my name. My wife graduated from nursing school again last November and still hasn't found a job in that field yet, she also racked up $25K in student loans, which came due six months ago, she has not made one payment on and is $1300 behind on. I do all the bills, she cant be trusted, all I ask is that she buys groceries and gives me $200 a month to help pay some of the bills, and she maintains her car (which I bought and gave to her) she never goes to the grocery store and getting any money from her always causes a huge fight, I always have to ask her for the money, she will never offer. Everything falls on my shoulders, if anything breaks around the house or needs to be replaced its on me to figure it out. Anything our daughter needs, clothes and so on, is also my responsibility, I had to barrow money from a friend for school shopping this year. she has her own checking account and bounces checks all the time, she wont even leave her self money to get thru the week and when she needs something like gas she asks me for money which I don't have and gets mad at me and says I'm her husband and should support her. We had a joint checking account that my pay check was directly deposited in, I had to open my own account and have my check put in, she would nickel and dime my money and not tell me, when confronted she said she needed something and would pay it back but never would. This has been going on for years now. I've tried talking to her many times, which always ends up in a huge argument, she sees absolutely nothing wrong with spending all her money on the horses and says its for our daughter and I should support her. I'm at wits end and not sure what to do, I want our marriage to work but at this point I'm not sure. Thanks in advance for any input...

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