I used to get hard all the time. Then, when my girlfriend dumped me, two years ago, I started getting really nervous and got failed erections all the time. This led to me doubting myself even more and... Nowadays I´m not even interested in sex. I´d really like to start having a good sexlife, again. I just can´t get into the mood. It just feels so meaningless.

I have no advice for you, >>1. I´m of no help. I´m sorry.