Hello

My LTR’s sister has invited us to her anniversary party at her house, the problem is my girl used to date her sisters husbands brother.

More than likely this guy will be at the party, how do I go about handling this? I see it as a lose lose situation.

On one hand if I refuse to go, it looks weak and insecure. On the other if I do go ill be put under the microscope by her family next to her ex.

Should I simply tough it out and go and monitor her behaviour and up my dread level on her?