People usually "fall" in love due to 3 reasons:
1. Love at first sight (including the vibes of the person)
2. Physical attraction
3. Caring provided by the other person
Recently, came across a fourth reason:
https://www.instagram.com/reel/DMIcBsOICOd/?igsh=YnYyanVzNTBmaWt3
An unexpected and rare way: Sharing vulnerabilities may lead to trusting each other, meaningful connections and even love.