Take a random, personal sentence and turn it into a password.
You do not need to memorize your Instagram password. You only need to memorize the password to your Password Manager (like Bitwarden, 1Password, or LastPass). instagram password ideas
Pick 4 to 6 completely unrelated common words. This is the principle behind the famous "correct horse battery staple" comic. Take a random, personal sentence and turn it into a password
This method is endorsed by cybersecurity experts (like the UK's NCSC) because length is the most important factor in password strength. Take a random
Hackers use dictionaries that run through common phrases. If you use these, your account will be compromised.