yes

As I understand it, you cannot touch his finances at all once you're separated. Once you have a divorce settlement, and you get divorced -- the court will decide IF he should pay spousal support (alimony) and how much he should pay. You can't decide that by yourself, though you and he can negotiate a sum and present the proposal in the settlement. If the right to alimony is awarded, then the money will be back dated to the date of separation.

I think not, the social security check does not even get one a decent living, even less to support others

First, you need to be divorced. If you don't remarry you would be entitled to half your spouses social security benefits. As for spousal support, you're on your own.

Once you're separated, you can get a temporary support order from the court, and yes, it is conceivable that some of his disability money could come your way. But the court would have to order that, and that generally means getting a lawyer. Once you're divorced, you would have a comprehensive settlement agreement, which may or may not include spousal support from him. Again, it's up to the judge.

I'm sure this isn't going to be a popular response but here goes... First off, no. You cannot draw spousal support no matter the income. Support is only awarded in a divorce settlement. That being said, why would you even want to? Not only is social security barely enough for one to support oneself, he is apparently disabled so he can even get a job to supplement the pittance that the government does give him. I obviously do not know the whole situation...perhaps there are children involved and the care and support of them can be tough, as a mother of two, I understand. If he cannot even get ONE job and yet needs to pay rent, buy food, possibly pay for doctors’ appointments and medications, what do expect from him? To try to support himself AND you? I know that separations are rough...anger and animosity can run rampant and the temptation to hurt him is pretty high. Though instead of looking to him to support you, perhaps you need to either get A job or a second one to help keep you in the lifestyle to which you've become accustomed. There are thousands of women who have to solely make ends meet; perhaps it’s time to prepare yourself for being another one of them.

depends, i say this because of teh fact that ssi and disabilty are totally different beasts.

if your moraly ok with robbing the guy, go ahead.