Yes and still are in said lifestyle.
For the husband and me it is wonderful and most beneficial.

The ONE thing you need is Good Communication between the two of you. I f you do not have that you will fail.

I'm not sure about "amazing" - "Erotic!" Ha, the first time, new, exciting, arousing.... My hubbie watching always exclaims how wet I am.

Challenging is a good question to ask. For us it is about the right guy - He has to communicate well, there has to be an attraction and he must be well-hung and fit.
Right away that eliminates a HUGE number of men. Then you have those who are twenty years older than stated, those that just want to get off on kinky dialogue and then my Favorite; those that mistake having a big dick for Being ONE!