I agree with this, but at the same time when you are so upset and worried that you can't even eat, then you're likely not hungry either but you're just feeling "sick", in lack of a better word. The question then is if you can even keep the food down.
Goth, the most important thing is that you remember to stay hydrated, but yes you really should try to get some sleep and something to eat as well. It is perfectly understandable that you spend all your time worrying about Saeria, but that's when the rest of us will have to remember to also worry about YOU. Your body can only take so much abuse, so please, if not for yourself then for the community, for all your worried friends here, at least TRY to get some sleep, and at least drink some water, maybe try eating a fruit or something. You can't help Saeria if you end up destroying yourself! =/
Stay strong dude, and have faith. I am not religious, but there is one thing I DO believe in: Love. After watching you two on the forum, I am confident that your love for each other is strong enough to overcome any obstacle. I'm sorry if I'm sounding cliché, but I really believe in this, and I believe in you. Love conquers all. Just have faith, and never give up.