My Girlfriend is Far Away and I’m Tempted to Cheat on Her. What Should I Do?

Dear Readers, 

I'm a young guy in my mid 20′s. I have been dating a girl for the past one year. However, I stay at Ogun state and she is still in the University at Ogbomosho which makes it a long distance relationship. Since, other girls around know she is far from me, I have been going through a lot of temptation. What can I do to keep from cheating on her? Thanks in anticipation. 

B.G