Everyone here can only judge your situation through your description of the situation and all the bias that comes from it.
From what I read, the rejection of a single VC meeting seems to have put you down. This is normal. Meeting 10-20 VCs before getting an investment is not unusual.
People here have nothing to loose so just take your time before shutting everything down.
Upvoted, even though I'm in the "get out!" brigade. It's hard for us to have perspective and we'll never have the full story.
All the same, a lot of us have experience falling prey to a sunk cost fallacy/gambler's fallacy situation, and I think anyone advising the OP to leave based on that has their heart in the right place.
TL;DR: advice from people on the internet is best ingested with a keg or two of salt.
From what I read, the rejection of a single VC meeting seems to have put you down. This is normal. Meeting 10-20 VCs before getting an investment is not unusual.
People here have nothing to loose so just take your time before shutting everything down.