I dealt with very similar issues for years. After the AT I wasn't cured and still wanted to hike, hike, hike. Finished college, and worked to save up for the PCT. Did that and I still wanna hike, hike, hike.
A couple years ago I was seriously comtemplating a long-term thru-hiker life style, that is hike for 5-6 months a yr, work for 6-7 months, wash and repeat. However, as much as I thought I could pull this off, it didn't seem sustainable. I worried: what will happen if I break a bone, get very sick, something happens to family, etc. and I can no longer hike. What happens when I get sick of this lifestlye and decide in 5-10 years I wanna plunge into a career but have gaping holes in my resume and limited working experience.
For me, I'm working to craft a lifestyle that includes both a full-time career and free summers for hiking. Seems like a good combination.
You've gotta do what's best for you. If hiking is the most important thing to you NOW, well that's what you should do, assuming you can afford to. Just have a back-up plan