Can't get myself off -- what am I doing wrong?

I swear I've done everything the articles say to do 😅 I set the scene, I relax, I use lube, I take my time, and I just can't get off? I've tried my fingers, a vibrator, and a dildo. Clitoral stimulation doesn't do nothing for me, I found my g-spot and that doesn't do anything either, and I get the most pleasure from penetration. I'm happily single and a virgin, so maybe it's just an emotional thing? I'd just like to know what others have to say.