One of my 2 hens has been acting weird for several weeks. She hasn't been nearly as social as usual and she is the only one laying eggs still. I'm learning that she just wants to lay in a nest she's made all day and night! I guess this is broody behavior? She does still get up to eat and drink (but not as often as the other hen--she is taking her sitting very seriously). The eggs are not fertile as we have no roos. Should I let her lay on the eggs for awhile? Or should I collect them? Is there anything else I should do, or will this run its course?