Things have been going bad for sometime now, and everyday has been full of pent up emotions and frustrations.
You both know that you are still in love with each other, but things have been going badly and the relationship is slowly going downhill.
What can you do to save a bad relationship? Spend some time alone and analyze the situation objectively.
Make an honest assessment of what is going on and why the relationship has gone bad.
Don't spare yourself or your partner in your assessment.
In your analysis, include an assessment of the good things that you and your partner still have going for your relationship.
Ask your partner to do the same analysis of the situation.
Agree with your partner to set aside some time to discuss your situation.
Compare your individual analyses and discuss the details of your individual assessments.
Remain objective while doing this and avoid emotional outbursts and confrontations.
Find solutions to the problems and agree on changes that have to be made.
Be supportive of each other.
Both parties may need to sacrifice or give up some things he/she has been used to.
Be generous to each other.
  Arrive at your individual resolutions and compatible solutions to common problems.
 Understand what each one is going through and maintain support for each other as changes and improvements are being made.
The best you can do to save a bad relationship is to face it with your partner.
One partner cannot do it alone.
It takes two to make or unmake any relationship or there is no relationship at all.