Should I read the letter?

I hate to focus on this subject but it happened less than 24hrs ago. So my boyfriend who I was helplessly in love with, left me lastnight. I always felt it was inevitable for some reason. Everything was just about perfect. I mean we broke up 2 weeks ago and since then have gotten back together. The kisses were sweeter, the love was harder, the fun we had was so much more fun than it had ever seemed to be. I adored him and especially after I thought we were done. Then (probably karma) hits me on this Monday night. He sent me I love u and kisses all day then at the end of the night he texts me that he's leaving bcuz of him not me. He left a rose and a note with the key to my place. I'm assuming the worst and that this note says he got someone pregnant. I'm so scared to read it cuz I don't want to hurt anymore than I have. Should I read it or wait until I'm stronger and a little passed this??? A friend said I need closure but if he left what does it matter if I have closure? Opinions?