Its not deaming , In fact its praiseworthy
it is a bigger mitzvah to eat Kosher if you are tempted not to, than if you are repulsed by a non-kosher food item.
As a side note, I was once in Jackson Hole, WY and the whole town smells of BBQ-ing meat and all I had was some pasta that I bought from home. it was definatly tough to be there