Me too!
I remember my mother going to the Los Angeles book fair (1978) and being cross because when US publishers asked about her books, they weren't at all interested in what her books were about, but rather what their sales figures were. She thought it all very 'American' and 'vulgar'. Nevertheless, she didn't flinch and ended up with about 30 books published and a steady stream of royalties (which, even though she is dead, my brothers and I are benefiting from). Not huge royalties admittedly, but having read this article they impress me more. She had been writing since childhood and suffered many years of rejections... but never gave up and finally had success in her mid-forties with The Tall Stones. That trilogy, I believe, has been in continuous print since 1975 and is considered a 'classic', in publishing terms.
I'm not just babbling about my mummy, my point is really DON'T give up. Don't run into a corner, humming or otherwise. You write well. Keep going. If you have the writing bug, you wouldn't be able to stop writing now, even if you wanted to... money or no money.