 [ Symptoms ] over the past 4 months i feel like doing nothing no energy no drive i also feel down [ Disease ] the perfect life will never exist ur life is nice and doing fine and iam really impressed with your life style i believe you are overstressed as u mentioned try to play some sports see new people travel abroad with a friend i recommend u to do thyroid profile cbc  those are some blood tests btw testesterone level in ur age will not decrease to the limit that can affect you however you can consult an andrology specialist who will hwlp you for sure