You can live a normal life span with hep c. About 20% of people with hep c after 20 years of infection may develop advanced liver disease.
However, the majority of people with hep c experience little in the way of symptoms fir many years or even decades. The most often reported symptom would be tiredness. When symptoms di develop they are symptoms of advancing liver injury.
However, today with the medications approved since 2014 Hep C is very treatable with the new treatment regimens boasting cure rates as high as 99%
So your best option would be to get treated to avoid any possible future complications.