I think it's about missing a girl. He loved her and she took advantage of him. He's 'still walking after her' Still wishing things would go back to how they were before. He wants her back and he's trying, but it's not working. She's not coming back.
"Although everything I said
Was just a picture in my head
I think we can make it"
Everything he said was a dream. A dream he wanted to be real. Eventhough they were dreams, he thinks they can make it. That they can still be together.
I think it's about missing a girl. He loved her and she took advantage of him. He's 'still walking after her' Still wishing things would go back to how they were before. He wants her back and he's trying, but it's not working. She's not coming back.
"Although everything I said Was just a picture in my head I think we can make it"