It sounds like you two have a great relationship. Sex however would be the icing on the cake, so to speak. With a low testosterone level, he has little physical desire for sex I take it. Has he asked about medications that cause an erection? If you are going to continue this relationship, you will probably have to resign yourself to a less than desirable sex life. I would think he would want to take other recourse to satisfy you regardless tho. Have you spoken to him about that?
I recently dated a man for 1 year... with no sex!
I learned a lot from this relationship. I discovered that while I could, in fact,
live without sex... I don't want to!
My ex would always say that his thinking "is above the belt-line!" But, it didn't
take long for me to figure out that, in truth, he was pretty much "dead" below
the belt-line for a variety of medical and emotional reasons. The lack of sexual
intimacy wasn't the deal breaker in our relationship; but, I honestly think that,
eventually, it would have been.
We all need to bond and feel totally "at one" and accepted by our partners in
an emotional, mental, spiritual and physical/ sexual way.
Continue to give your guy the wonderful support that you described; but, don't
ignore your own needs.