Save it, do not give your private key to anyone, because the private key that you have is your future, if you lose it, then all your dreams will be forfeited instantly, thank you,
Yes I agree with you and this is i always do to keep my private key and my wallet save from hacker or phising.
1. Bookmark to sites that you often visit
2. Don't tell your private key to anyone
3. Save assets to wallet hardware (maybe ledger nano or trezor)
4. Don't use the same email and password(use strong password and combine) on every site if you are afraid to forget the email is recorded on paper
5. Don't save your Private key or wallet account information on Google Drive, Dropbox or online storage media (essentially don't connect to the internet)
6. Always check your laptop regularly with antivirus
7. Use 2FA safeguards if they are there
8. If you want to just check your balance on MEW, you can choose read only to check it.
9. Always be vigilant and careful sometimes we can get an email if you get some tokens/coins and then you must fill the form to submit private key
10. If you have many asset you should use cold wallet and save your private key. Do not print but write it and the
laminated keep at safe place.