I am my mom's sole caregiver. No support system at all. I cannot find a support group in my area (Bensonhurst/Bay Ridge). My best friend past from cancer 2 years ago. Mom and I used to go out together and have fun. She is declining mentally and physically from cancer and pulmonary fibrosis. She depends on me for everything other than her own personal hygiene. My therapist uses the expression positive support. The only person I get any positive anything from is myself. I am absolutely exhausted. We do have an aide for 3 hours 5 days a week. But that's it.
I found the best way to get through this is to take it one day at a time, even one morning or one afternoon at a time sometimes. I never look beyond one week's time. Compartmentalizing my days really helps. Make sure you eat healthy foods when you can and stay hydrated. Also reading many of the articles on this site too, made me feel less alone in being a caregiver.