“It’s a hard thing not to be normal. When you’re ‘not normal’ because you don’t want children, it’s even harder.” Racheli Sharon, a single Israeli with long dark hair and a thoughtful demeanor, looks as totally normal as any 32-year-old woman on Dizingoff Street. But unlike her friends, her siblings, her colleagues and clients — in fact, unlike just about everyone she knows — she has thought about it, talked about it, and sadly come to the conclusion that, indeed, she is not interested in becoming a parent.