since i had my son i have ballooned to 12stone 3 and it is really ruining my life since december i have been dieting i started with a healthy diet and exercise plan but by january i hadnt seen any difference i am only eating around 5oo calories a day when the recomened amount is 2000 i go running every night but still i have not even lost a pound i am on the contraceptive implant and think this may be affecting why i havnt lost any weight its got that bad now that for the last 2 weeks i have been throwing up after meals, taking laxatives,starving myself everything ive tried everything but still have not lost a thing im that depressed about it that its starting to (god im crying now as i write this!)effect my relationship with my partner and i have hardly any energy to look after my son , i know im being terrible and putting shallow reasons before my family but i just cant help it after i eat i feel so guilty and unhappy that i just want to dissapear i cant even look in a mirror without bursting into tears please can someone help me i dont want to ruin my life but thats the way its heading .