How have we "overstayed" anything since the treaty extends into perpetuity? The treaty does not have an end to stay over. get it? I know this all happened before you were born, but history did not begin with you, nor history's treaties. Sorry to burst your bubble, but we are not stinking fish. You may smell stinking fish, but that is probably closer to home. Cuba may not like us there, particularly the current regime, and the last before it, but a nation's treaty is bigger, having greater authority, than any one presidency.
It's because I love my Country that I want US to keep our promises
Yeah, I've cited to you our promise, our treaty, and, contrary to your stink fish, the treaty promised perpetuity of our presence, not that we would leave, and Cuba signed it, signaling their agreement. That you don't like it and are smelling stinking fish is entirely on you. Argue for your limitations; they're yours.