Sitting Roo?

[cnj-tx50]

My sweet gentleman Roo has decided to sit in the box after my Red Sex Link lays and egg. Is something that is normal?

 

[nature nut]

I have read stories of roosters who help their hens care for the chicks and keep the chicks warm. There are some cute pics of roosters sitting on chicks in the online chicken show section of the forum. I can't say I've heard of a rooster sitting on eggs but I wouldn't put it past them. If so you've got one lucky hen