Oh yes, the standard drama "I'll be a burden." Get over yourself already. There is a point that she'll accept it regardless of her own feelings, but that's when you start to try to find out about that. But remember that someone with that mentality will also never push her own feelings regardless of what they are, so if there's something there you're still the one who has to move, whether by stating your own feelings or helping her overcome her issues.
Missing elf, probably not dead. Well, she's sure to not show up any time now, especially not immediately now when you said that.
Makes sense. Nothing wrong with that.