I haven't had sex, so I'm not pregnant. Plus its been going on for about a year, the food cravings just started though. I feel like i'm ALWAYS hungry, I also never have energy and very light headed when i stand up and try to do things that doesn't involve laying. I can't stand for along period of time without feeling light headed and tired. I can't do any physical activities or hardly anything without feeling tired and just wanting to fall out.