Hello Friend, thanks for reaching out here for help. I can understand your suitation. Marriage is a fulfillment of life for many of us. Yes, it brings its own change, expectations, commitment and more importantly bring love, care, New family and many other positive aspects. While late marriage can bring some challenges as you mentioned, but it can be overcomed if you are determined and committed. You may need some preparedness to accommodate this change. Don't get stressed, you may need some counselling guidance to handle the suitation better.
Next Steps
You can consult me online as I can do the pre marriage assessments that can help you to figure out the gaps and solutions that you can follow.