Maybe because you are logging out, or clearing your browser, or you haven't checked the box to keep you signed in, or your browser settings need adjusting
Step 1.
Can you sign out then sign back in and tell us whether the box marked "Remember me on this computer" is ticked? If not you may have unchecked it by accident.
If you're in Safari the top background bit will be black instead of the usual white. In Chrome, there will be a shape of a fella in a hat looking a bit suspicious in the top left hand corner.
Ahah, the top is black in Safari. I had lost internet connection for a few days and had to get someone in to restore. I did remark on it being black since I had been reconnected. What does this mean?
I use chrome and safari. If I use chrome for AB anything I post disappears so I tend to stick to safari if I'm posting. If I want to view Mamyas NN thread I can't open in safari so I use chrome for that.
In case he's gone, i suggest you just click on your Safari settings. there is probably an option about ' private browsing' which you could change, or maybe there's a 'remember my passwords' option you need to tick