Hello Friend, Good that you are seeking a help here. Yes, marriages is a committed long-term relationship and needs  readiness at both body and mind level. Additionally both of you need to have a fair understanding about each other  expectations after  marriage like about your career, interests,sex, child plan, handling of in law, religious beliefs etc. Many failures happen due to lack of understanding and way to handle. Really appreciate your interest in the preparedness. You need to take pre marriage assessments through a counseling session which can help you to be prepared and clarify any mindsets. Feel free to reach out to me online for further evaluation and recommendation