my niaja people i dey great ohhhh

   OK to set things off this is my first posting on niaraland and it so happen to be a female problem so sad.
OK i have  been in this a relationship with this beautiful niaja sister that happen to be the love of my life for five year and counting. both of us grow up in Nigeria b4 moving to the united state so we but have that Nigeria up bring. i mean she pretty much does everything that make her a wife material. within those five year we been going out she has never been the party kind of lady nor Flirtations kind of lady, we where just crazy about each other. to cut the long story short, we both got into different university and happen to find out self in a long distance relationship situation. the problem i now finding myself in is  that she changing on me really fast, from a God fearing girl to not going to church at all. from not party at all to party every time. from not having to many male friend to making new ones and hanging out with them. i mean she totally made a u turn from her old self. to me all of the promble listened above is nothing Major, i mean she young beautiful lady to happen to find her self in a new environment and i know am  not the only man that notice how beautiful she is, but i mean she has not handle the situation like some one that is in a 5 year relationship and couple that already making marriage plans as soon they both graduate. OK my guyz the major problem is that i happen to find out that there is this guy that is also crazy about her and call her all the time and send her Flirtation message. when i asked her about it, she told me he was just a Friend nothing much. i later found out that they both gone out couple of time and she even let him feel on her.my niaja people should try to make thing work between the both of us or should this be my excit sing. please am post this because i what to read people opinion on my situation. thanks