It's really simple to make your password more secure. Just choose a mixture of upper and lower case letters, and at least one number.
Take the word "virgin" as an example.
You could turn the 'i's into '1's, and the number 9 looks a bit like a "g" - you could swap them. Then you can also pick one letter to be a capital, V for example.
So the word "virgin" could look like this for your password:
You'll need your password whenever you log in to your email inbox, or your account online, so it's a good idea to write it down and keep in a safe place.