I similarly fell in love with fountain pens. My writing was finally legible.
That said, I just don't use pens often enough for it to be viable. Ink's dried, tip needs cleaning, etc. So I went back to my trusty old ball points I so hate.
I've had the same experience as you, and it turned out that I needed a pen that doesn't dry out. They exist for sure -- here's one that (100% of the time) will stay ready-to-write months after being used:
Platinum pens also have a mechanism to completely seal the nib when capped. I have a Preppy, it's less than $10 and starts fine after weeks without any use.
That said, I just don't use pens often enough for it to be viable. Ink's dried, tip needs cleaning, etc. So I went back to my trusty old ball points I so hate.