Why does an alert come up if someone comments on a question, but there is no alert for when you comment on someone's profile and they comment back?

How come when I go back to my profile page, it says its logged off??

How do you delete a question that you have on your profile??

When i repply to a question or status it doesn`t alert me when someone else replies , i`m not shure if i have any other kind ...

Why won't it let me post a comment on a certain persons profile ?

Why wont it let you know when someone post comments???

How do I put my info on my Profile?

Every time I try to give someone a link to a profile, a question, or update, it doesn't work. I click on the link myself, and...

I just marked my question as anonymous can I get it back

Can you block people from writing on your profiles comment box? I seriously need to know how to...

im not really new but I dont know how to comment back to a comment that was sent to me.please help. :(