The only reason I can think of for your Guestbook to be empty is that, after travelling through your blogs and photos, people must just be too exhausted to come here!
After going through each and every one of the photos you've taken, visiting Pembrokeshire Birds and Sea Trust, I feel like I've actually made the trip. They make my heart yearn to cross the ocean...
I wish you all the best and hope to see your work continue for the next 6 decades!
(...you CAN last another 60 years, can't you??!)
As one of your many admirers, I sign myself,