Lop-Ear got married.

It was the second winter after our adventure-journey, and it was most unexpected.

He gave me no warning.
The first I knew was one twilight when I climbed the cliff to our cave.
I squeezed into the entrance and there I stopped.

There was no room for me.

Lop-Ear and his mate were in possession, and she was none other than my sister, the daughter of my step-father, the Chatterer.
I tried to force my way in.