英语作文,50-80词.假设李平是你的朋友,他目前的身体状况不太好.他从不锻炼,经常感到紧张疲倦,有时还会胃疼.请写一封信给他并提出一些建议.（50-80词）

dear lipingi heard that you are not feel well .you are always be tension and tired,sometimes has a stomache.the worst thing is that you never do exercise .i think you should make a change .develope a ...