Tired

I feel so tired easily. Altough I had enough sleep, I still feel tiredness all over me. I am exhausted as early as noon time everyday. I am having weariness from mental exertion. My movement is little slow than usual and everything I do required comparatively time for completion. Is it due to the weather or food? Talking about food, I really need to control my food intake. Smaller portion to feed my big appetite sounds a bit crazy but I will do it. I can eat a lot. It can be like 2 bowls of rice every meal at home. Only at home, my mom's cooked food can beat the famous chinese restaurant's dishes. I really mean it. Especially those pork rib and pork slices with salted fish... Yummy... yeah, all pork. I like pork :P than chicken.