"I need to make amend."
If you already filed a joint return for 2018 it is too late to amend the return and file married filing separately. The rules do not allow you to change from a joint return to separate returns after the filing deadline, which was April 15, 2019.
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
