Being a single mother to a teenage boy isn't easy, thought Allison Armstrong as she quickly finished up her emails before leaving her office. She looked up at the clock. It was three in the afternoon on a Friday. The brunette flipped her hair back and adjusted her jacket one final time before heading to her car. "See you on Monday," she waved at her secretary. "Bye, Miss Allison," Her secretary, Annie, grinned back. "Are...