It's too hot, too cold, too rainy, or too windy.
The traffic is congested and people drive too fast or too slow.
The workload is too much. Their boss or their colleagues is the source of their discomfort.
Either they don't have enough money, are living paycheck to paycheck, or dealing with debt.
Either they're experiencing chronic pain, a debilitating illness, or mental health challenges.
People complain about the state of politics, politicians, and policies.
Whether it's family, friends, or romantic partners, relationships are perhaps the largest source of complaints and frustrations.
With technology, they complain about having to deal with glitches, slow internet speeds, or the constant need to upgrade.
9. Customer Service.
Poor customer service is a major source of complaints, whether it's dealing with rude or unhelpful staff, long wait times, or ineffective support.
10. Time Management.
I've never seen anyone manage time before but I digress.
Many people struggle with managing their tasks effectively, and complain about feeling overwhelmed or overworked.
11. Be Happy Now.
Now is all you've got!!