The visual is this guy holding a bouquet of flowers. He’s standing outside a girl’s apartment because he’s waiting for her to open the door. And he’s determined to stand and wait till she finally decides to let him in. He’s wondering if he’ll stay the night in the hallway and fall asleep waiting.
Sounds as if the song’s about the stage in the r-word where the guy is looking to go to the next stage but he can’t because she hasn’t opened up to him. Maybe she said “Give me some time…I’m not sure.” He’s waiting for a yes but at this point, he’s realized that if she can’t make up her mind, it’s a no.