Hi,
I am 62 year old. I find it very difficult to reach orgasum unless i substain from sex for 5-7 days. I know better than it being my age and i do take viagra to help get it up. My testostone levels were very low but have come up into the 1,000 since i started t-shots very to weeks through the va. What can i do!!
Thanks bob

You know better? Of course age is part of it, if not all.
If your testosterone levels are OK now, what about prostate enlargement?
There's also general overall health. All the Viagra in the world won't help if you are unhealthy, (and eventually old enough). Many combined things could be behind the low-T to begin with.

I would say at this point, I would speak to your doctor. Good luck!