From BeatlesWiki
Yoko Ono splits from her husband Tony Cox. Because of this, she becomes more seriously involved with
John Lennon, writing letters to him very often. One of these was called "John as a young cloud" and had the line "I'm a cloud, watch for me."
Cythia Lennon, John's then-wife recalls, "Every morning he’d be up and out of our room before me, saying he was off to meditate alone. He cut me dead in the mornings. The first week he was fine, but after that he cut me off… I put it down to being away, and his changed attitude to meditation and the beauty that there were now no drugs. I realised later that he was going to collect the morning mail…"
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