We have 1 RIR roo, and 5 hens,( 1 rir,2 leghorns,and 2 buff orps),all are about 11 weeks old. For the past 2 days, my Roo won't leave my RIR hen alone! He chases her all over the run, so she hides in the coop. Is he trying to mate? He hasn't even crowed yet. He won't leave her alone.