ladies so ima start working very so and I'm trying to get my son to get use to the bottle buy he…

ladies so ima start working very so and I'm trying to get my son to get use to the bottle buy he won't his 4months. I change it like 4times none idk if it the formula he doesn't like idk I'm stressing out because he will have a babysitter! ! and he crys alot when his not with me😣😦