Former First Lady of the United States Michelle Obama says her realisation that her husband Barrack Obama can’t be wholly responsible for her happiness was what made their marriage “better.” She explained that it took her a while to learn that they can’t be “everything” to each other. The mother of two, while appearing in the latest episode of The On Purpose podcast, stated that she initially thought partnership was about constant communication but reality dawned on her as her husband was not always available. She said, “It took me a while to learn that there’s no way we could be everything to…