This study is for couples where one or both are recovering from substance misuse, like drugs or alcohol. The aim is to help improve their relationship and personal well-being through an online program called **OurRelationship-S**. This program is based on a method called **Integrative Behavioral Couple Therapy (IBCT)**, which helps couples understand their issues and find ways to fix them. Couples will spend about 8-10 hours over 5-8 weeks on this program, using their phone or computer. They'll also have five calls with a coach.

Key Points:

• Couples will earn $200 for participating and completing surveys.
• The program includes online activities and five phone or Zoom calls with a coach.
• Participants must have been in a committed relationship for more than 6 months and have access to a reliable internet connection.