 [ Symptoms ] can type 2 diabetes be diagnosed by elevated liver enzymes or homa calculation [ Disease ] hi if your on 3 meals a day try splitting that up to 67 meals a day this way you will spread out what your eating and hopefully take away your hunger and you being irritable but learn to enjoy any exercise you do if not make it enjoyable do it with a good friend get some banter going between you both enjoy a good laugh try being happy smile more all ways of getting over being irritable so please be happy good luck