Take yourself seriously as a writer. Tell people you are a writer. As long as you are writing, you ARE a writer.
I took that advice to heart. I told people I was a writer. I told myself I was a writer. I worked on stuff with the hope of publishing it. I didn't try to hide it. I forced some pretty awful early stories on kind friends and family members who continued to encourage me. (You know who you are.) I made a commitment to myself that I was going to do this. I made it a priority over less important activities. I learned and practiced. I submitted and got rejected and kept submitting. Heck, getting rejected just added credibility to the fact that I was a writer. It was nine years before I got a word published, but I considered myself a writer the entire time. And, no, I didn't use the word "aspiring." I don't really like that word. Well, in this context anyway.
I still have to take myself seriously as a writer every day. I still have to commit to myself to keep going. I'm so glad that I took that advice all those years ago. If I hadn't, I probably would have quit a long time ago.
So, my advice to you is the same.
Take yourself seriously! You are a writer.
But, you know, don't take yourself too seriously. ;)