So, I've been taking test for more than 20 years...was actually a group member who discovered that SQ injections were as good as IM.

 
If your are over 50 generally you will have low t.  What you want to do about it is your decision - with the concept that for thousands of years men lived without even knowing they were low.

 
For me it was never about a specific symptom mentioned in the article, but more I just have more energy and much better muscle tone.  I'm dialed in on my dose and shoot for 850 or so, but sometimes I'll double up and push it to 1200 for a month or so to gain a little muscle.