I just need to know something

My boyfriend texted me and he said can i ask you something but don't get upset or mad or take it the wrong way but he said will you get skinny for me and I've been trying to lose weight but its hard for me i have a very hard time trying to lose weight and it just ruined my confidence and like now i feel bad about myself because everyday somebody makes fun of my weight and im trying hard to fix myself but my weight won't go down idk what to do I'm just really upset