All couples go through bad patches, particularly over the long haul. There are always pressures from outside – jobs, kids, distances, families, friends – and occasional tensions between you, especially when you’re years in, living together and grappling with self-realization at the same time as being part of a couple.
But with talking and communication and a certain amount of effort from both parties to prioritize the relationship and compromise on whatever’s causing the problem, it really is possible to come through stronger.
The trouble comes when one person refuses to acknowledge the validity of the other’s feelings or prioritize the relationship. Everyone’s unhappy sometimes, but it’s how the relationship deals with it that’s really a test.
If your partner’s repeated response to your raising issues or needs is to a) ignore them b) tell you you’re wrong c) lie and/or d) refuse to modify their behavior, get gone already. If said unhappiness is due to you/your partner being emotionally abusive in any way, LEAVE NOW AND DON’T LOOK BACK.