What do I do ?

Eulogia
I want to have my first already I'm 20 years old and my boyfriend is 21, we met when we were 17 & 18. Been together for almost 4 years. I feel I'm ready for my first I go to school and I have a job plus my boyfriend has a stable job. 
Send baby dust 👶🏻🌟
How do I go about telling him ?