Long distance relationship

So I’ve got to know this woman for a bout a year we’re both young, we literally talk all day every day I’ve poured my heart out to her she’s the only woman I enjoy speaking to, and we have for the past year. She lives in a different country than me, we understand each other and that it will take a long time before we can ever meet, the problem is whenever we argue she goes back to talking to other guys even though we’re still dating, am I wasting my time? I’m very pressed on this she allowed me to go through her chats and she does speak with other men only when we fight. I’m not good with relationships she’s my first real one it just seems like it’s too good to believe.