Follow people you don't know, unfollow friends, like things you don't like, change the email address, let it expire (If you don't log in at Yahoo for 1 year, th

Follow people you don't know, unfollow friends, like things you don't like, change the email address, let it expire (If you don't log in at Yahoo for 1 year, they delete it), change the password, lose it, don't update your phone number. There's always a way back because they're really keen to give you access to your account, but as you progressively get bored of it, you'll feel like you don't need to install it on your new phone. On top of that, they now have to filter our false information. The only problem is to explain to the TSA agent that you've falsified your identity on a US corporation website, but I've given up going to US too ;)...