-sleeping alone
-going out with friends

Having control of the remote.

Privacy in the bathroom. Or maybe just a bathroom of their own? Not having to deal with someone else's stuff on the counters is always a bonus!

Their own bed

Freedom to do whatever they want/

Eating whatever/whenever you want

not answering to anybody

Sex on a regular basis.

closet to yourself

Sleeping in

Staying up late

Being able to hog the blankets

Being able to toss and turn all night without disturbing your spouse

Always finding the toilet seat just the way you want it

"Just Me" time

More time for themselves.