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I'd say it's overtraining too, except for this ...
I do get a freaking hard morning wood
If the remodelling byproducts (at your present level of training intensity) aren't adversely effecting your tumescence when you've been asleep, then they're not adversely effecting it when you're awake. Something else is ... like a lack of interest.
I think you're probably Over-Porning.
Besides the whole escalation of erotic threshold, which is a big deal but I won't repeat again here, there are also expectation and reward elements going on.
The physical 'reward' component is in place with adult entertainment (sortof), but the emotional reward component is not. It's only -so- interesting or attractive on a deep level, despite its surface-level 'hotness'.
Maybe lay off adult entertainment for a while, or back way off, and don't go all the way to a release when porning. Save up that energy (emotional, physical) for when you need it.
(example -- If someone isn't getting off three times a day to five adult entertainment goddesses fvsking each other, then their girlfriend is going to look way hotter.) rofl
Also what's had an obnoxious boost for me, (and I didn't need it ... so this is pushing the needless surplus factor at inopportune times), is 50mg / day of DHEA, and 1500mg / day of arginine pyroglutamate - both before sleep. With this, jelquing to no-adult entertainment isn't a problem.