Can a guy love 2 girls at once?

iv bn datin this amazin guy for 8months now,we are both from very different countries & cultures,he says he loves me an sometimes i believe him cuz wen we are 2gether it feels great an he wud do anything for me but i recently found out that he was in a 1yr relationship b4 we meet(she moved away to work ),den i find out that they email each other an she sends him pics of her but i1 day he left his emails open an i had a sneak preview-he told her that he loves her an misses her!!! man i was heartbroken......so can a man love 2 girls at once or is he playin me????