This question requires some clarification. Were you served with a divorce or did he have you sign a separation agreement? How did he stop the divorce process? Depending on your circumstances there may be some steps that you can take to protect yourself but I would need more detailed information in order to properly guide you.
Please note that this general response to your inquiry does not establish an attorney-client relationship.You should consult with a competent attorney for advice regarding your particular situation.
Step one is to retain counsel, since it appears you have not done so. The NY and Dutchess County bar associations can provide referrals.
To protect yourself from a husband who was all set to divorce you, and now wants just your "support financially and [for you] to take care of him," proceed with the divorce.
The foregoing is for general information purposes and does not establish an attorney-client relationship.
The feelings part of it is tough - but the legal part doesn't have to be. Disability is not a limiting factor in divorce. Feel free to give a call to discuss options.
Under the rules governing the conduct of attorneys in New York it may be necessary to remind you that this answer could be considered attorney advertising.