you clearly feel that it is more than miscommunication. you are not satisfied. i think you very well know how you feel. do you have an elder sibling who you can talk to about this? if not, a trusted aunt/uncle that can listen to you and talk to for a second opinion?
how long til your nikkah?
exactly. make a pros/cons list if you have to! but you need to first make a decision for yourself, and feel confident in it. and then take the proper measures accordingly.