Okay, this is possibly going to be controversial in some quarters, but it has to be said for the good of the Fediverse:
Mastodon.social is not a good way to join Mastodon. If you're already on mastodon.social, you might want to move your account to another server. I've done an article about this topic at:
https://fedi.tips/its-a-really-bad-idea-to-join-a-big-server
If you want to move your account, there's a complete step-by-step guide to how to do it here:
https://fedi.tips/transferring-your-mastodon-account-to-another-server