Thank you guys for the appreciation. It's not a thesis that I've put on here. My thesis is 34 pages long and it was more in detail.
The basic conclusion is whoever cheat they tend to cheat again and again no matter how hard they try to prove that they won't.
And those who don't cheat, may or may not cheat in future. It depends according to their socio-economic-cultural environment.

a. if a husband catches a wife redhanded(here redhanded means not necessarily having sex in the bed. It also could be pictures, information about accurate date and time of event,name of the person etc) first she'll try to defend herself every way possible. Provided proof, she'll heavily accept it and starts all her drama. Relationship breaks instantly and legal procedures begins eventually.

b. Men do cheat more than women. The complexity lies on women's behavior. Man can cheat her spouse but still he could retain his love for his very own wife. Most of the time if woman cheats, (they're more emotional than man) she could easily get away with her old relationship and start fresh. These accurate cases are more prevailing in surveys. Like men, some women do and can live with their husband bound by their parental responsibilites even after all these mess. But, relationship afterwards goes through undesirable experiences. There are very rare cases, where they pretend they understand each other and live together happily. They share sexual partners and still be together. This is extremely rare in our society but it could be there happening the time I'm writing these words. Some couples sexual horizon gets opened up after cases like this. Once again, this is very rare.

c. Some women when left behind for long period of time, say for years, they seek out for emotional friends. They unknowlingly hook up with their co-workers/friends. I've asked questions to few of those , and they don't really know why they did and what were they thinking when they're doing that. This really perplexed me. This is one of the reasons, women are complex creatures. Many of the men asked told they did it for fun and pleasure. They still hoped to be with their wives. 

d. Some women show feelings of remorse and try to create their 'new-self' in order to get over of it. But, after few years, they're found doing the same thing. I


My conclusion : Once a cheater, always a cheater ' may not apply to everyone but majority falls under it. That's the solid conclusion.

@bideshi, I didn't say they could be cheating on their men, just like that. I've studied it and husbands should know about it.

@Dr Babu, esp I've a suggestion for you. If you are suspicious about your spouse, let her do her stuff until you get the solid proof. In India, they already have private detective agencies who works for families. Families hired them to find out every details of their would-be son/daughter-in-laws before marriage. Detectives spy on to find out if they are decent one or with strings attached by keeping an eye every places they go, they eat, they wander etc etc. In Nepal, we don't have that service in practice. BUT, you can hire someone dependable and do your thing if you really are skeptical about your wife's behavioural changes and want to know the reasons.

Acceptance is the key, be prepared for anything from now on and you won't suffer much when you face the truth.

See how it works for you. but I wish that every doubts of your turn in vain and you guys happily be together, forever.
:D