24 months, tops...
I think it will be a little longer than that. Will look better for her in court when she goes for the "gold". How long did the "lovely and gracious" Marta (I cringed when he married her) last? Six or Seven years I think.
I hope for Rush's sake I am wrong, but every divorce kills a little bit of your soul and heart, (I have experience there) and I don't want Rush to get hurt anymore than he probably has in the past.