I’m sorry that you find yourself in this spot. Even when you don’t fear for your survival or long-term quality of life, cancer treatment is a lot. Sibley (part of the JH system) has a resource page that includes support groups and social work:
https://www.hopkinsmedicine.org/kimmel-cancer-center/washington-dc/cancer-care-at-sibley-memorial-hospital/patient-family. Check in with your providers as well; they may have a good referral or two for you.