It is an institution invented by Religion to Control Sexuality.
"In the Beginning" is the time when the relationship is all "New" and we have our rose-colored glasses on.
It's the time when our brain is fulfilling a Need.
We have turned the person of our desire into a Fantasy.
Then, one year later, reality shows up.
Why do people "Settle"?
The passionate love turns to friendship.
It's comfortable and people get lazy.
It's easier to just hire a Passionate Love Fantasy
and live with your friend.
Sex and Love do not equate. Over time, everything looses it 'luster' - what makes for a good relationship is a true understanding of each others needs and wants. This is tough job for both.
I have been married for over 50+ years, and yes, I have enjoyed the 'hobby' during that time - my job took me all over the US and I picked my 'playmates' very carefully (TER being one of the main factors I took into consideration when choosing one), I don't see anything wrong in this.
Anyone in the hobby (provider or client) will tell you its a business - guys have a hard time understanding that - its never 'love' (on their part) its 'lust'. Somehow guys think if you marry a provider you get 'freebies' - that is not the basis for a relationship.
You can be open and honest with your wife/girlfriend but there comes a point when you should just keep your mouth shut and go on with life.
There is no such thing as 'cheating' - we are human, seeing another for 'sex' is not a sin, and those who choose to work in this industry make that decision ever before they see their first client.
A good relationship is made up of caring for the other in good and bad times - as I stated before, everything looses it luster over time and if one wonders and finds another, chances are they are not relationship material to start with.
There is a lot of guys out there that have no idea what a provider deals with (mentally) - I have had a very long standing relationship with a provider and we both know each other boundaries.
All you can hope for is to find one who has the same likes and dislikes as you - leave sex out of it (since you both enjoy it), dig deeper and look for the real person
humans, a LTR (not necessarily marriage) becomes comfortable and complacent; so the drive to work at being romantic, giving surprise gifts, spontaneity etc...tapers off and we adapt to the current situation. Another factor may be children, new or lost career, illness etc...that changes the dynamics of the original relationship.
Bottom line it is human nature.