I am going to marry an Australian man this year. I have a 23-year-old son Can he date me?

You have to get your immigration status before you can take your son, which belongs to family reunion. Because your son/kloc-is over 0/8 years old and does not need a guardian.

If you want to take your son with you, you can apply for a study visa for your son. This is more reliable.

If you need help, you can come to me.

Theoretically, yes, but it is very difficult in the actual application process, because your Australian husband has been married to you for too short a time. The consulate will examine it very strictly. The probability of checking out is only 30%. It's all luck So I offer you a more reliable plan.