Take a deep breath. You'll get this since you have the determination to do so.
"If I told them once, I told them a hundred times, Spinal Tap first puppet show....." Oops, wrong quote; here's what I meant to say:
I've said it before, stropping is not only recommended to be the first blade prep action to master, it's flat out critical. I would argue since I experienced the same thing and I think most do, we often don't learn to strop correctly and dive too quickly into the whole honing thing.
If you had a few great shaves from a new razor and it quickly went dull on you (same thing happened to me way back when), there's almost no way that razor needs a hone. It needs to be stropped well as always, before and after each shave. (Ok, Ok, some will say you don't need to strop after and some will say they don't.) I ALWAYS strop after a shave.
Now that you've taken the razors to a Belgian Blue, I think you need to send the razor or razors off to a honemeister to be rehoned. The money you spend will be well worth the frustration you'll continually encounter trying to somehow get the edges back.
While they're away, spend the time reading everything you can on stropping in the SRP Wiki, etc. I'd do this first rather than just watch random Youtube videos since there is a lot of misinformation out there.
Why would the razors dull after only a few shaves? Corrosion to the edge is a distinct possibility; depending on your humidity level, where you store the razors, etc, corrosion can start within minutes or really even seconds. Cupping of the strop or you cupping the strop? It may look like you were stropping the entire edge, but maybe only the heel and the toe were making full contact leaving the center un-stropped and continually dullling from corrosion? Just some random theories.
Stick with it! You'll be glad you did.
Chris L