You can wish anyone a happy birthday! Celebrating a person’s birthday is important because it shows the person you’re thinking of them and in turn, they feel valued by you. Wishing someone a happy birthday is an easy way to create a positive experience between you and others. It also helps you build your reputation. When you’re sincere and make others a priority, it doesn’t go unnoticed. This reputation can help you build stronger relationships in and out of the office.