I need help with my songwriting

I am a drummer. I am a bassist. Almost a year ago I just started writing songs. I was on a grind for maybe almost 6 months and then just stopped. I couldn’t write anything anymore. I ended with nearly 40 songs, most of them finished. I kind of got back into it but it hasn’t been good. The main problem is, I think the songs may be a little mediocre. Some of them are definitely pretty good but not a lot. When I get back into writing good songs I want to do it right. You should all know, I’m 16. I kind of put together an album where I just threw all the songs I wrote about separate girls into this album called “inamorata.” It pretty much is Spanish for in love with a girl or something I don’t remember. But that’s only about 12 songs. I write kind of about anything, as long as fire lyrics just enter my head I write it down instantly. Can everyone throw some tips at me how to keep writing and make the lyrics actually somewhat decent. How do I maintain song writing to where I can do it on a regular basis again. Please help🙏