SpongeBob fans: Why do you think Squidward, despite always being annoyed by SpongeBob, never truly leaves him behind?

Truly I think it's that deep down even though Squidward is annoyed by him, SpongeBob will still always be supportive of him.
SpongeBob fans: Why do you think Squidward, despite always being annoyed by SpongeBob, never truly leaves him behind?
Post Opinion