How would a guy feel if he found out that his ex g/f was pregnant and had an abortion without him knowing?

I am about to have this abortion in a couple of weeks because of my cirstances, I have no choice. If my family knew that I am pregnant they would disown me, they don't believe in premarital . My b/f broke up with me for a shallow reason and my friends are telling me not to have it because my ex b/f would ruin my life even more by not letting me have this baby since he works for the government and knows the laws very well. I know for a fact he does not want kids now at this point in his life. My coworkers has known him for a few years and is mad at him for breaking up with me and she supports me about the abortion. She said she wont say anything to him until after I get the abortion. I am just not sure how he would feel or react if he found out I was pregnant and had an abortion without even letting him Know? He used a condom every time but he put it on a few minutes after he started. Do you think he would want to talk to me to find out why I did that or get pissed off and try to get me back? I am afraid of his reaction once he finds out. I am sure that's what he would want anyways. Would not letting him know until after the abortion hurt him? He is used to being mean to people because of the type of work he does, and to me it does not seem that he has a heart so he can be feeling hurt when he hears about this..If he later finds out from my coworker would he call me to confront me? I don't want to deal with him.