Low testosterone or flatline?

It's very common for porn addicts to have trouble getting aroused to a real human in front of them, without fantasizing or imagining porn in their heads. Furthermore, a flatline is also very common. The best path forward is to continue your "rebooting" parameters and certainly remain completely porn-free until you regain function. You'll certainly regain function if your temporary flatline "dead dick" is a result of porn. Unfortunately, you can't predict how long it will take or how long flatline lasts. Sometimes, days. Other times, weeks. For people with serious PIED, sometimes they don't get real erections without porn for months.

I would encourage you to see this as a blessing instead of a curse. Less urges to use porn if you're in a true flatline.