I have been in a relationship for 4 years, and would like to take the?
After 4 years and living together, and having already discussed marriage... what is it you are afraid of doing that would be "pressure" to him? Having open, matter-of-the-fact discussions about your future, what it looks to the both of you, and what kind of plans you would like in order to get to that future, is not pressuring. It is normal, expected, and necessary. How would you otherwise communicate to one another your preferences and desires? So by all means start your discussions now and start planning for the future. Even if he isn't ready to get married right now, a long-term serious relationship carries certain expectations, and if he is serious, you two should be able to work out a reasonable timeline toward a mutually satisfactory conclusion. Best of luck.