Verified answer

three words. LACK OF COMMUNICATION. couples stop properly communicating, and resentment between them builds, and then come the arguements etc... it`s really sad, but if it`s something you are going through, try talking honestly and openly with each other. it`s the only way to try to get things sorted out.

everyone is different and has their own reasons and acceptance levels for things, what may be okay for you is not okay for someone else.

but if you are thinking that, then you probably have an answer for it.

and if you leave a marriage without being able to look yourself in the mirror and say that you gave it your best shot, then.......

Anthing could.

Money, Cheating and not spending enough quality time together.

don't get me started.....arguments, abusiveness.....etc.