Paul probably felt disappointed and maybe defeated languishing in a Roman prison those many years (AD 60-68). He probably felt he could have done so much more on the mission road. But have you ever thought that if freedom had been his portion we may have never read those blessed letters he wrote to us all?
Don’t be discouraged in the place you dwell at this time. God has an important appointment for you to meet and the place you now dwell is precisely His will for your life so that you can receive His blessing and also be a blessing to others (Christian Resource).
Love you and dwell in that special place of blessing,