Do you have a poker face, or are you readable? Do you have a poker face or are you readable?

My face is usually very readablI wear my heart on my sleeve. I wear my heart on my sleeve.

This is a more natural expression that means you always show exactly how you are feeling.

I can't stop expressing my feelings to outsidethe outer world, and it has been sometimes bad in business. I can't stop expressing my feelings to the outer world, and it has been sometimes bad in business.

I can't stop expressing my feelings ton the outside, and it has been sometimes bad ineen bad for business. I can't stop expressing my feelings on the outside, and it has sometimes been bad for business.

I can't stop expressing my feelings to outside,hide my emotions from others and ithis has been sometimes bad in businessa drawback in my working life. I can't hide my emotions from others and this has been a drawback in my working life.

More natural sounding.

I know I should correct this habit, but I have no idea how I doshould do that. I know I should correct this habit, but I have no idea how I should do that.

I know I should correct this habit, but I have no idea how I dto. I know I should correct this habit, but I have no idea how to.

I knowthink this is something I should cworrect this habitk on, but I have no idea how Ito do it. I think this is something I should work on, but I have no idea how to do it.