The one time you want to pull out but she says no.

Thanks for all the great ideas and jokes! 

Did they come with plugs for the rear ports?  Maybe that is an option?

+1 for gearbear, gave me a chuckle!

I am in a similar situation with my living room system. I am going to use the gliders from Herbies and the therapy as mentioned by @soix .

.......never pull out  ! 

BTW, after a few months of pulling speakers in and out I just started leaving them out from time to time and eventually the wife just got used to them being more out in the room and so I just left them there — kinda like audiophile WAF desensitization therapy.

Draw a line in the sand and tell her it is what it is.

Agree to pull them out and push back when done listening.  Here’s a product from Herbie’s that’ll make it easy to slide them and many people say they improve sound too. 
 

https://herbiesaudiolab.com/products/threaded-stud-glider

+1 Ohm Walsh

Put casters on them.

As the man said....

Or, put them on a small platform with casters on said platform.

That means you can pull out when you want.

Ohm Walsh Talls will cast a wide stage and work well close to walls. 

Have you tried a different position? Can you turn the speakers on their side?

Check out Volti Audio Razz. Really good, very efficient, front ported & will likely sound good against the wall although imaging for virtually any speaker might suffer a bit positioned this way. 

Plus one @twoleftears and I’ll add, put some masking tape on the floor to mark where your speakers sound their best, so you can easily put the speakers back when you want and you won’t have to fiddle whit getting them just right again.

If this isn’t an option, look for speakers that are ported in the front , not in the back,.  They don’t have to be pulled out nearly as far. Some only need a few inches!

All the best.

Many have come to appreciate speaker designs that work placed against a wall

Put casters on them.

From the title, I really thought you were talking about something else ;)

Klipsch forte sound good closer to the wall. Look at the Forte IV.

Try it and see what happens.  She may have a hissy fit, but she will get over it.  Or, pull them out to listen and put back when done.