Hey, I'm just letting you know that I've replied to you a little while ago but I don't know if you've seen the inbox message. I just thought I'd share that with you so it's not like I completely blew off your question :)
Ignore User
Both you and this user will be prevented from:
Messaging each other
Commenting on each other's stories
Dedicating stories to each other
Following and tagging each other
Note: You will still be able to view each other's stories.