Well, in the first stanza part the speaker is saying how he is realizeing that they both need time apart, they aren't right for eachother. Then the rest of the song is basically she is begging him to stay but he isn't going to listen to her and he's going to leave her. He wants her to know that leaving her isn't easy for him to do but it feels right and no matter how hard she cries (hence See those teardrops falling from your eyes But, that don’t change my mind, oh baby Please don’t make things more difficult Than they gotta be) he isn't going to change his mind.
Well, in the first stanza part the speaker is saying how he is realizeing that they both need time apart, they aren't right for eachother. Then the rest of the song is basically she is begging him to stay but he isn't going to listen to her and he's going to leave her. He wants her to know that leaving her isn't easy for him to do but it feels right and no matter how hard she cries (hence See those teardrops falling from your eyes But, that don’t change my mind, oh baby Please don’t make things more difficult Than they gotta be) he isn't going to change his mind.