I am worried \ I worry

[NortT]

Hello, I have 2 sentences. Both of them are form Longman dictionary.

1. I'm really worried about my brother.
2. I worry about my brother.

What are differences between them?

 

[Barb_D]

The first one suggests you are worried right now. He is missing, or he is in some sort of bad situation.
The second one suggests you worry on an on-going basis. He is having ongoing issues, lives in a bad area, is doing dangerous work, etc.

 

[NortT]

The first one suggests you are worried right now. He is missing, or he is in some sort of bad situation.
The second one suggests you worry on an on-going basis. He is having ongoing issues, lives in a bad area, is doing dangerous work, etc.

Thank you for your explanation. However, I am quite confused. Why don't we use the present continuous form of the verb "worry", which is "worrying", in the first sentence? Are there any differences between the following sentences?
1. I'm really worried about my brother.
2. I'm really worrying about my brother.

 

[Rover_KE]

#1 is more colloquial. It tells you how I feel – not what I am doing.