This grows, as your popularity between users increase, suchs more reacts been given to your posts. As it keeps getting better. That's how I think the popularity system works
As little as possible but, it would surely grows if you keep accumulating the faucets coins as much to possibly a healthy quantity to withdrawn on private wallets
I think, sharing ref links are prohibited on pasting on crypto talk. As their rules of posting here is. But I still see some guys giving out ref links around