Should I go back to making art or am I too old for it?

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I'm a 26 years old with no formal art education. I can't draw traditionally. And I've only drawn on a tablet for 4 years, between 20-24 before I gave up. Drawing only from my imagination before my mental health degraded.
My question is. If I start drawing now, from life and what not and go back to digital illustrating, do I stand a chance of making it professionally even If I learned how to make art the wrong way in the past? I.E. abstract art like pic related.
I'll post some examples of art I've made pre and post mental problems. I don't know what to do. I'm on meds now so at least I can somewhat think more clearly than before.
Or am I not made for this?