We get "cold feet" before big decisions due to fear or anxiety. It’s a stress response where our brain reacts to uncertainty or potential risk by triggering hesitation. This can cause physical symptoms like cold hands or feet as blood flows more to vital organs, preparing us for a possible “fight or flight” reaction.
This fact belongs to the general category and contributes to expanding general knowledge. Understanding such facts not only makes you smarter but also helps connect ideas across different fields.