It's because our attention is pulled in so many different directions at a time, and it's in fact pretty impressive if you can stay focused.
क्योंकि हमारा ध्यान  बहुत दिशाओं में जाता है यदि आप अपना ध्यान केंद्रित रख पाएं  तो यह बहुत बढ़िया है l