I agree that it is crucial to share your ideas and get feedback. However, I also wanted to share another perspective I recently heard. I recently watched a video in Masahiro Sakurai’s(Super Smash Bros, Kid Icarus, Kirby) youtube series titled “Keeping Your Internal Pressure High” who takes a slightly different approach. He suggests building up your internal pressure, refining and polishing your ideas before sharing them as the act of sharing can sometimes leave you feeling satisfied and could lead to your ideas losing power.
Here is the link to the video by Sakurai: