If you feel tired and busy at work and have decided to quit, then getting married can be a good reason. When facing your boss or colleagues, you can express your thoughts cautiously and frankly, respect each other's feelings, and give some convincing reasons, such as:

You plan to start a new stage of your life, including marrying your partner, hoping to give them more attention and support.

You think it's time to focus on family and personal growth, and don't be too busy at work.

You have seriously considered this decision and think that leaving the company is for your personal and professional development.

Of course, before resigning, you must consider your future plans, make sure that this is the right decision, and have enough financial preparation to support yourself and your family.