Hello everyone!
It has been around 10 days after I removed the open pollen sack. All I can say is I am not giving up! I haven't seen any more sacks/bananas, and also the flowers are proggresing fine! I also didn't get rid of my 2 hermie plants.
So it is time to select the best answer, and in my opinion that would be
@BeautifulCraftRreddit
Thank you everyone for your comments, really helped me!