A srong password is more than your average word it is a mix of words that still look like that word, you can use number, letters, and symbols. An interesting fact is that hackers cost the U.S. 4 billion a year in damages.
You need to maintain a strong password so no one hacks your account.
You need to change your password every 2 or 3 months.
Hackers always try to hack accounts and if you have a stronger password it will be harder to hack.