If you've been riding the trainer then you'll be fine. The trainer is tougher on your junk than riding outdoors.
Just keep using Chamois cream. Being from Chicago hopefully you're supporting our own -
http://www.enzoscyclingproducts.com/chamois-cream
If you're using Enzo's and getting out of your bibs quickly and showering and washing your bibs in between rides then you will keep it all to a minimum. Have fun getting away from this crap weather we're having.