In answer to your question. The injections would probably make you feel far better. But going that rout is for life. The protocol shown in this forum’s sticky deals with the the hormonal imbalance issue you brought up. But again it’s a pain to do it,for the rest of your life, if your gonads might just heal.
My suggestion is to dial in your thyroid issues, which medical insurance will cover. Then see the way that effects your Testosterone levels and more importantly the way you feel. And save up some money because while your levels are low for your age. The insurance company will call that well withing range. For a 60 year old it is but they don’t really care about optimizing health. At your age you need to try and get your body back to doing its own work as best it can. If it can.
The following link is a must read and the "HPTA restart " might really be interesting to you