a fish never closes its eyes
It could very well be nothing more than a bad habit where he closes his eye to concentate better. Or he feels uneasy with that constant facial stare headed his way. Trust is always important in a relationship. Ask him tenderly why he does it. Never assume and never say never!
They don't.
skin
The Orbicularis oculi muscle squints the eye.
The London Eye is open from 10:00 am and closes at 8.00 pm.
Yes, but it closes early on Sundays.
Orbicularis oculi muscle
It got its name from its shape. It closes similar to the iris in your eye.
CorneaCornea
The eyelid
It got its name from its shape. It closes similar to the iris in your eye.