Check new posts since last visit/refresh?
Does your screen looks like a, b or c?
a) no unread posts since last visit

b) 3 unread posts since last visit

c) You don't kow if there are any new posts because you have shrinked the header

Compare a + b with c. On the right side of header beside your name you see date and time. Right beside this you see a + or –
Click it to see the differents. If you have the + you don't know if there are new posts or replies. Make sure, you always see the –. You also know you have it when you can read this:
Show unread posts since last visit.
Show new replies to your posts.
Total time logged in: 131 days, 10 hours and 43 minutes. Perhaps you have another login time 