I work in a big office, and I'm really attracted to one of my colleagues. The problem is, I'm really shy and I'm not sure how to approach her. She's very popular around the office – she's always going out after work with big groups of people, and she's very friendly with everyone. We don't work in the same department, so I don't really have an excuse to speak to her. I'm just not sure what to do. If I ask her out on a date, she'll probably think it's strange because I've never spoken to her before. Or maybe I should go out with the group after work and try to get to know her better. I wish I knew what to do. I can't even do my work well because I can't stop thinking about her.