Are you unsatisfied with your progress? Are you trying to build muscle? What is your intent?
If you're content, I see no reason to eat more if your body isn't giving you the signs. It's different for everyone, so there isn't a universal formula. However, if you're trying to cut down your body fat, improve strength, etc; there are different things you can do. For general health and low bodyfat, it sounds like you're doing great already.
this great blue world of ours seems a house of leaves, moments before the wind