I am sick AGAIN

Okay I must be a walking petri dish....I catch everything. I have been sick for weeks! First a nasty cold, followed with a nasty flu and now another cold. I can't breathe out of my nose....sniff squeak.....After having so many I am going to change my ways. Lying in bed more than most allows me time to reflect what I am doing wrong. I have always been good at washing my hands and disinfecting surfaces. But very bad at taking vitamins, eating veggies and fruits and I touch my face a lot. So I think I start there...sniff....