Tears come in my eyes in very small matter eg. Im in meeting I hv 2 say smthing I will start crying?

Take acting classes and concentrate on vocal presentations such as story telling.
Like this:
www.youtube.com/results?search_query=aaron+wilburn (Wow. Just wow.)
www.youtube.com/results?search_query=utah+phillips (Raunchy, but well told.)
www.youtube.com/results?search_query=jerry+clower (Jerry doesn't tell stories, he whoops them.)