Idk if this is an ED or what

So I used to not eat much and it was costing me alot it made me so I couldn't run for literally t minutes before I would get tired and I could see my ribs when I breathe.well now I'm eating alot and I hate it I despise it I feel fat but I know I'm not cause I can still see my ribs when I breathe but,this is definitely not helping my self esstem Idk whether this is a ED or not let me know what you guys think??