How is it so easy for men to turn off emotions?

How is it so easy for men to turn off emotions and for women we wear our hearts on our sleeves and dwell? I'm going through a really hard breakup and he seems to be able to turn off his emotions like I never mattered (though the morning of the breakup he said I was the love of his life). I want to be like that. I don't want to feel hurt anymore or think of all the good times in my head. I have tried to stay busy but my mind keeps going to him and I am heartbroken all over again. So tell me guys. HOW DO YOU DO IT? I don't want to feel anymore.
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He came over to get his mail and as he was about to leave I called his phone to ask for a goodbye hug since I may never see him again. He told me I need to relax and let things be and hung up. Then he came over to me and hugged me, does this mean anything
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I'm still having a really hard time focusing on anything except my heartbreak. I've been trying to hang out with friends tho they aren't really available much, how do I make this stop? I'm so sad everyday, he's all I ever think about and I want to stop
How is it so easy for men to turn off emotions?
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