If you have absolutely no form of income, including social security, there is no need for you to file. It would, however, be beneficial for you and your spouse to file jointly. If you live together, and you don't file jointly, that leaves him no option but to file Married Separate, which is not at all advantageous for him.
His standard deduction would be lower and he can't take a personal exemption for each of you. His tax rate will be higher and he cannot take many deductions or credits, such as education expenses.
As a married couple, you should be much better off filing jointly, so more money for the two of you to share, or less money to owe.
