Excellent point, Simone.
There are plenty of stable marriages which fly well below the radar even tho reality TV was a part of their lives.
Whether or not reality TV will have an effect upon a marriage depends upon how stable the marriage (and the people in it) isare far more than anything else.
When was the last time you heard anything about Judd Winnick and Pam (Real World) or Sean and Rachel Campos Duffy (Real World and (almost) the View for her) ?
That’s because they have lives that revolve around important things (like kids, real jobs and doing the relationship work necessary to maintain their original marriage vows) rather than fleeting TV notoriety.
Contrast that with a lot of the fame whores comprising so much of reality TV these days and you have the beginnings of an answer to your fairly generalized Q.
For example, contrast Pam and Judd with another castmate from the same season, namely Puck (David Rainey)
His primary descriptor even now is “Reality TV personality” at age 42 as he basically makes appearances around milking it for all it’s worth and drifting from one part time job to another in between his various stints in jail.
The most recent one being for domestic violence (and that not for the first time). The only reason he’s still “married” is because his wife still puts up with his crap. It’s a marriage but not much of one and divorce would be a godsend.
Reality TV may shine a spotlight, but if the marriage and the partners in it have a solid foundation, TV isn’t able to split them apart.
The Osbournes have certainly been through hell and high water (addiction and rehab for 2 kids, Sharon’s cancer, Ozzie’s own addictions and near fatal ATV crash) and a lot of it in front of the cameras but it’s clear they’re in it for the long haul, come what may.
If anything, all of it has strengthened them as a couple and as a family. In spite of all the fame and showbiz crap they started with a strong foundation built on love beneath it all.
It’s similar to the whole issue of child stars ending up as wrecks. Those with strong loving parents providing stability and ethical structure thrived. Those who were not so fortunate to have that frequently ended up as train wrecks.
Just to give one example out of many, contrast Ron Howard and Danny Bonaduce. A closer look at their parents and family life explains much about the directions their lives took.
It’s far too easy to scapegoat TV and fame. An inner strength, which comes from that old fashioned word known as “character” is not swayed by the illusory fame provided by a TV camera. This applies equally to marriages and the people in them.
If people are stable and grounded to begin with, fame and cameras don’t change that. Same goes for marriages (which are, after all, made up of the people in them.)
The Roloffs are still together as are the Duggars.