It comes a time when you have to step back and evaluate the situation. Is this a sign that you are you holding on to something that is obviously gone or are y'all just in a rough patch right now? Only person who can answer that is you. So in order to figure out what to do about your relationship, you need to have a realistic view of your relationship. Sometimes the hardest things are realizing when you've fallen out of love and when it's time to move on.
Hopes this helps!