So, I had that problem with struggling to do any art, especially FINISHING it (was complaining about it repeatedly, e.g. here). As a result, of the five art bits I uploaded in 2024, four were a comic done the previous year and it just took me that long to find the energy.
It was very annoying/saddening... But I'm at least somewhat back, and here's how!
I managed to take massive steps forwards by:
(a) Recognising what the block feels like (to me, it feels like when I get angry and part of me locks my body down so that I don't do anything wild like breaking stuff).
(b) With some tips from an "Internal Family Systems" therapy page, I worked on the assumption that the part of me stopping me from arting was doing so with good intentions, and tried to work out what those intentions were.
In the end, I basically just scrolled through my gallery, remembering the good and the bad (the unexpected successes, the unexpected failures), and kinda just... Told myself it's alright to risk it