Lost my 40 days streak

Yes, same thing as you (lost at more or less 40 days). Although I was convinced I had open PH every single day. But I have the feeling that sometimes, the discussion thread does update from one day to another (so you see something different on the page and do not feel the need to refresh the page), but if you do not manually refresh the page, your counter does not increase and you loose your streak. So basically, you have to remember (each day) the streak number of the previous day and keep refreshing the page until you see it increasing. Another difficulty comes from the time zone: for me (based in France) a "new day' begins at 9 am. So if I browse PH at 10pm one day and then the day after at 7am before going to work, this is the same day. So ideally you should visit PH at a fix hour.