The other two options are psychologically easier because they break the tension. If we either get out or give in the tension ceases. But if we stay in while refusing to give in, we find ourselves walking a tightrope, and living in a permanent and painful state of tension. But we are called to this. Here then are the three options.
Secession is to pursue truth at the expense of unity.
Compromise is to pursue unity at the expense of truth. Witness is to pursue truth and unity simultaneously. This seems to be the biblical way. I would like to make six suggestions. Firstly, we must be patient.