I feel like (clause)

Use "feel ___" with adjectives to describe how you feel:

I feel hungry.

I feel sorry about what happened.

But if you want to describe how you feel with a full sentence, use "feel like ___":

I feel like I'm the only one who cares about doing things the right way.

I feel like you're hiding something from me.

(someone) is stuck in a rut

The word "rut" means a line-shaped hole, like the hole that a wheel leaves when it rolls through mud.

"Rut" is most often used in this expression - "stuck in a rut". Being "stuck in a rut" means that you keep doing the same boring thing each day. It sounds depressing. Use this expression if you feel like your life is boring.

You can also describe "stuck in a rut" to describe your relationship with someone like your spouse, boyfriend, girlfriend, etc. In this situation, it means that you don't do interesting things together any more.