Moreover, mental health and personal experiences can be highly private and sensitive matters, so any information available might be limited or speculative.
Regarding mental illnesses, there is evidence to suggest that John Lennon struggled with depression and anxiety at various points in his life. In interviews and his own writings, he discussed feelings of loneliness, insecurity, and emotional struggles. His difficult childhood and strained relationships, particularly with his parents, may have contributed to these challenges.
John Lennon's father, Alfred "Alf" Lennon, was largely absent from his life, and his mother, Julia Lennon, had a somewhat unpredictable presence due to various factors. John was raised by his Aunt Mimi and her husband George Smith, whom he called "Aunt Mimi" and "Uncle George." This familial situation could have potentially contributed to feelings of abandonment and issues related to attachment.
As for abuse, there have been accounts of John Lennon experiencing physical abuse from his mother's boyfriend during his childhood. Additionally, his relationships with women throughout his life have also faced scrutiny and have been described as tumultuous and occasionally abusive. Cynthia Lennon, John's first wife, spoke about instances of domestic violence during their marriage.
While these experiences and circumstances suggest that John Lennon faced significant emotional challenges, it's essential to approach such topics with sensitivity and respect for privacy. Diagnosing specific mental health conditions retrospectively can be challenging, and it's best to rely on information shared by John Lennon himself or those closest to him. His music and public statements offer glimpses into his inner struggles and emotions, but the full picture of his mental health and personal experiences may never be fully known.