Testosterone Optimization

What is true Testosterone Optimization? My bloodwork & Stats as of 2/23: Total T = 1306 Free T = 252 PSA = 3.0; up from 1.6 Estradiol = 58; up from high 20's SHBG = 45.4 Age = 66yo Height = 5'10" Weight = 174 lbs some bellyfat, but no big belly! Diet: minimal amount of processed foods!!! Workout: 4-5x's weekly; HIIT Treadmill training + Weight lifting + sauna detox; 90minutes per session NOT FEELING FULLY OPTIMIZED!!! 6 months on 200mg/gram per day T cream; Started on Tcyp .5ml injections / twice weekly 8 weeks ago, which has brought me to the above numbers; Feeling some sense of infrequent / periodic higher energy levels, but NOT FEELING FULLY OPTIMIZED! 1)how many ml of Tcyp can I take per week? (presently 1ml/weekly) 1.2? 1.4? 1.5? ??? 2)what else can I do to enable feeling fully optimized? 3)how do you define fully optimized?? 4)any advisory appreciated Presently working with Dr Chasant, and feel his support has been good, but feeling I am needing an extra edge of assist here!!! blessed thanks namaste h