Watchful Living in Improving Quality of Life in Participants With Localized Prostate Cancer on Active Surveillance and Their Partners

This pilot trial studies how well Watchful Living works in improving quality of life in participants with prostate cancer that has not spread to other parts of the body who are on active surveillance and their partners. A social support lifestyle intervention (called Watchful Living) may help African American prostate cancer participants and their partners improve their quality of life, physical activity, diet, and inflammation.

Inclusion Criteria: * Self-identify as black or African American or Hispanic (patient) * Be greater than 18 years of age (patient and spouse or intimate partner) * Have 0-III stage prostate cancer (patient) * If treated, have completed therapy (e.g., surgery, chemo and/or radiation) (patient) * Enroll with a spouse or intimate partner (patient) * Do not meet physical activity recommendation (i.e., 150 minutes of moderate intensity physical activity per week) (patient and spouse or intimate partner) * Be ready and able to be physically active, as determined by a physician (letter from a physician or nurse practitioner) (patient and spouse or intimate partner) * Not participate in another physical activity, diet, or lifestyle program (patient) * Have a valid home address and telephone number (patient) * Internet access at home or other location (e.g., work, church, library, community center, etc.) (spouse or intimate partner) * Patients on active surveillance will be included Exclusion Criteria: * They have an active noncutaneous malignancy at any site (patient) * Had prior radiation therapy for treatment of the primary tumor (patient) * Have planned concomitant immunotherapy, hormonal therapy, chemotherapy, or radiation therapy during the study period (patient) * Are enrolled in another active surveillance protocol (patient) * Participated in formative focus groups for this study (patient and spouse or intimate partner)