Need honest advice for 2nd year BDS (KUHS)

Is it easy or hard? What are the common difficulties?

How many subjects are there and what should I focus more on?

What are all the preclinical works in 2nd year?

How are records, viva, and exams usually handled?

Any good books or sources for KUHS PYQs? Which one’s best?

Any general tips or things you wish you knew before starting 2nd year?