Watch "The Life Changing Power of 40 Days -Rabbi Israel Yakobov" on YouTube

https://youtube.com/shorts/YGMz_UNHjIE?si=KGhY2L1B_BNHiKpD

This video Im a short gives the reason that 40 days of working on something is able to let you see big changes and why there are 40 days from Passover to Shavuot.