I finally get it. this song is about not being able to say sth to someone, in fear of ruinning things, losing that someone, or hurting them,,,,

the guy that thinks/sings all of these things is so nervous, so paranoid, so insecure...that he almost feels a little movement, a vestige of hint, too long a glare, a look, a short stare, a quick peek may betray him, telling him off, leave him "on the spotlight",,,

maybe without actually having said anything, but feeling trapped in this situation, he feels he has to act in an extreme careful way ("choosing my confessions", "keep an eye on you") because a simple single word may disturb the whole thing (oh no I´ve said too much...)(the slip the brought me to my knees )..but at the same time he knows he hasn´t said enough (didn´t say anything at all ! )

he wishes he can talk, but he knows or feels he cant, and so he wishes the other person realizes on his/her own whats going own...(consider this, the hint of the century)..maybe the other person can and will realize (I thought I heard you laughing), but of course that hasnt really happen´t, that was just a dream...