Last month at 2 a.m., I saw a burly man chasing and hitting a girl at the convenience store entrance.

The girl was covered in blood, shouting for help.
I impulsively rushed over, grabbed the guy, and threw him to the ground, pinning him down.
Two passersby nearby helped call the police.
After the police arrived, the interesting part began.
The man looked innocent: "I didn't hit her, she's my girlfriend, we were arguing."
The girl suddenly changed her story: "Yes... he just pushed me, didn't hit me."
Alright then.
But then the police turned to me and said, "You pressed him to the ground, causing a wrist injury. The other party wants to hold you accountable.
You need to come with us to the station for a statement, leave your ID, address, and workplace."
Me??? I was the one who saved her???
The police said, "They didn't ask you to intervene. You're suspected of causing injury, so you need to register."
That guy was still grinning nearby: "Bro, you were too impulsive."
At that moment, I understood—these days, before lending a hand, you better think about whether you have ten thousand yuan and three months of free time to run around.
In the end, I wasn't made to pay, but they kept my info overnight.
Since then, whenever I see fights, pulling, or someone shouting for help, my first reaction isn't rushing in but pulling out my phone to record.
You say I've become cold?
Yes. It's been taught to me, one case at a time.
Yesterday, I encountered a similar situation again. I hesitated for three seconds. Then…