Coke addiction but not can or two a day 2.5+liters

Yea so i been drinking coca cola original for the last 10 years maybe a liter maybe more but last 3 years 2.5 liters minumum those people i see on reddit drinks max 3 4 cans a day never seen anyone drink this much zero tastes awfull how much time do i have left...183cm 97 kg(i starve myself to not gain that much)