If you're staying in the relationship, it's because you want to."Some people feel the expectations are different when you're married than when you're dating, and others feel that they are the same," says evelynrae.

For one thing, Valerie Rind, author of "Gold Diggers and Deadbeat Dads: True Stories of Friends, Family, and Financial Ruin," said, "If you're tying your horse to someone else's wagon, you need to know not only what's coming in, but what's going out." What's more, Rind said, "You need to know how somebody runs their finances because that totally affects the whole picture." "My wife and I like to go on trips/do stuff with just our friends, and we like to go on trips together," says jdoe74.

"We have married friends that can't ever seem to get permission to do anything." Interestingly, spending time apart and getting some of your needs met outside your relationship may be exactly what your partnership needs.

And if you're suspicious that your partner's having an emotional affair, take note of any differences in their sexual interest and pay attention to your gut feeling.

As chosenamewhendrunk puts it: "I know this may not sound like a question you want to talk about but 5 or 10 or 20 years down the track if things get difficult (and they will) Will both of you put in anything and everything that is necessary or will one of you go 'eh' and cut their losses?

" Back2Bach is onto something: According to a 2007 Pew Research poll, sharing household chores is the third most important factor in a successful marriage.

(The first two are faithfulness and a happy sexual relationship).Is there a point that neither of you can come back from?What is the deal breaker; infidelity, addiction, won't go to mother in laws for Christmas?"It's not an easy discussion to have but it's worth it." Don't freak out if your partner says they're open to the possibility of divorce — or if you realize you feel that way.Susan Pease Gadoua, coauthor of "The New I Do," previously told Business Insider, "When people see divorce as never an option, it can create some unhealthy dynamics." That's because simply knowing that you have an "out" — even if you never use it — can be freeing.Still, it's important to discuss how you'll change and grow together if you're planning to get married, as well as what you're afraid of and excited about.