You should talk with a person you're close to that knows about your situation. Or you should hold your marriage if you're not ready yet...
kkm
i feel that i am thinking in a wrong way or my mental patterns or conditioning are making me to resist or fear for changes and additional responsibilities after marriage
R_anjum
What is it that is stressing you out. Marriage is definitely a tough decision, have you consider taking to your potential partner before any serious decision?