You can plead the fifth in this situation.

When you plead the fifth, you do not have to testify against your hu*****and. However, the doctors and nurses and cops can all testify against your hu*****and.

Pleading the fifth is the only thing you can do to legally help your hu*****and. If you do not plead the fifth and lie for your hu*****and on the stand, you will end up in jail.