Unknown Memories, the past still hunts

Her words froze Derek, he didn't know how to respond, he also loved her but there was something incomplete about him and it had been getting more obvious these past months. Could he fully accept Angel when he knew there was a crucial part of him missing and the devastating knowledge that he wasn't really from Earth? his origin unknown

Had he been told, he wouldn't have cared but, those memories were coming back, piece by piece, should he accept Angel and end up hurting her if he becomes a different person, years or months later? Those memories carried vital information about who he was and till then he wasn't sure about anything, but the question was now things had gotten to this stage, what should he do?

She was his light, this darkness that surrounded him, she was the main reason he could remain sane since that day, she was his but what if his past self, did that darkness want a light or love to bask in the shadows?