Inclusion Criteria:  Participants will be couples consisting of a Veteran referred from a mental health care clinic at VA San Diego Healthcare System and their spouse or romantic partner who is willing to participate  Couples must:  both speak, read, and write English be married, living together, or in a relationship for at least 12 months endorse clinically significant relationship distress by one or both partner's reports (i.e., < 104.5 on the Couples Satisfaction Index-32) have internet access sufficient to complete the online program and attend telehealth visits be willing to have telehealth coach sessions audio-recorded  Exclusion Criteria:  Couples will be excluded if either partner reports  an active substance use disorder within the past three months (i.e., 2 on the Tobacco, Alcohol, Prescription medication, and other Substance use [TAPS] screening tool) a diagnosis of a psychotic or bipolar disorder with current uncontrolled symptoms (by self-report) a diagnosis of severe cognitive impairment or intellectual disability (by self-report) severe physical or sexual relationship aggression during the past 12 months (i.e., 10 on the Hurt-Insult-Threaten-Scream [HITS] screening tool) current suicidal ideation or behavior determined to be high-risk according to current VA clinical assessment protocols (i.e., "yes" on any high-risk items on the Columbia Suicide Severity Rating Scale) suicide-related hospitalizations within the past 12 months (by self-report)