Went in to feed them this morning and couldn't find her so thought she'd escaped. The other one was acting a bit odd and then I spotted her in their wooden box thing. She was only 3 - absolutely fine last night, no idea what happened. What do I need to do to stop the other one being upset? Do I need to get him a new partner? He his 4. It took about 4 months to fully introduce those 2 and was rather stressful.