Conversation Topics for English Learners: Birthdays

Celebrating birthdays takes place all over the world. Do you celebrate your birthdays with your family, friends, and colleagues?
Imagine you’re practicing your English in some dialogues related to birthdays. What would you talk about? Here are some suggestions.
— It’s your mother’s birthday and you want to throw her a surprise party. What would you say to the rest of your family? What would your family say to you?
— You’ve been invited to your boss’ birthday party. What would you say to your boss? What would your boss say to you?
— You’re throwing a big birthday party and would like to invite your colleagues from school. What would you say to your colleagues? What would your colleagues say to you?
People love to celebrate birthday parties because they get to spend with people they love and appreciate, as well as receive presents. Why do you like celebrating birthdays?