Just woke up in the morning, and I actually made over 300u

As a result, I continued to leave it unchanged, and by noon, I made over 100u more

+ totaling over 400u

In the afternoon, I didn't use my phone at work

After finishing work around 5 PM, I opened it and saw it was all gone. What should I say? Should I have just stopped at noon? I feel quite desperate, losing so much in one afternoon.