You know, I have a similar problem to you. I've been writing since I was about four, but then when I hit the middle of my teenage years, I kind of just lost inspiration and never even wrote much of a short story. I'm seventeen and studying English Language A-Level at the moment, and while my monologue and film review (complete with commentaries) got outstanding marks from my teacher, I'm struggling on my persuasive writing piece because I only ever wrote that kind of stuff when I was forced to at GCSE.
When I told my therapist about it, he told me to keep a journal telling the events that'd happened to me over the past few weeks and detailing my feelings about them, as well as to practice more free writing (I'd kind-of-but-not-really started free writing after researching a bit about it). Currently, I've written, like, a paragraph about some shitty high school romance, but chances are, I might discard it like so many other short pieces that I've written. I think one of my problems, aside from writer's block and spontaneous self-criticism of my work, is that I don't work well with plans. I prefer to just stuck in and let my story plot out as I go along, but since that hasn't worked, then...I guess I do need to figure out how I'm going to do a coherent plan that I'm happy with.
Last thing I'll say on the subject is that I bloody hate procrastination.
When I told my therapist about it, he told me to keep a journal telling the events that'd happened to me over the past few weeks and detailing my feelings about them, as well as to practice more free writing (I'd kind-of-but-not-really started free writing after researching a bit about it). Currently, I've written, like, a paragraph about some shitty high school romance, but chances are, I might discard it like so many other short pieces that I've written. I think one of my problems, aside from writer's block and spontaneous self-criticism of my work, is that I don't work well with plans. I prefer to just stuck in and let my story plot out as I go along, but since that hasn't worked, then...I guess I do need to figure out how I'm going to do a coherent plan that I'm happy with.
Last thing I'll say on the subject is that I bloody hate procrastination.