[markus_zhang]

If you have inner anxiety then it will prevent you from focusing. Check with yourself if you have some fundamental problem that is bugging you throughout life.

[lienhoangduy]

I'm not sure I have any specific anxiety but I find out that I'm really really easy to be distracted.

[markus_zhang]

Have you checked out with a medical service?

[lienhoangduy]

I haven't checked it yet. I just want to solve it by myself first