Sir Anthony Hopkins is writing a memoir. The 86-year-old actor admitted he is finding it “weird” documenting his life story but he’s thankful he has always had a good memory. He told People magazine: “I’m writing a biography. It’s a weird process. “I realised how I’m blessed with one thing. Maybe it’s my actor’s brain. I do have quite a memory. I remember days of months in the years.” And it isn’t only Anthony looking back on his life because his wife Stella, 67, is making a documentary about him, and he has given her “carte blanche to [cover] everything”. While the screen legend knows Stella …