Why am i so confused?

Hei friends,here i need ur help again.Okie i came to know this guyd through Online..a social net workin site..he said he liked me and den after chattin for a while of 2 to 3 weeks we exchanged numbers and den he started callin me...and he said he is in head ovr heels in luv...but i ws quiet confused and after a while of a week i said evn i liked him...but i saw that he was flirtin with other girls..and i fought with him for lyin to me that he dint...and i realised he is kinda demandin..now iam far away in ma parents place..still he keeps mailin me...in the startin of our relation ship he ws so unsure and confused so i jus let him go...but he ws bak with a sure decision of gettin married to me..but still i dont hav hope or trust...the best thing abt him is..he is a cool head and nvr takes things seriously and he has nvr abused me for bein crazy..he is kinda nice ....im so worried and confused...my frends say ..i would get a better guy..and he is no whr equal to me..and we hav nvr met..ws in plans too but dint hav time as we live in diff state....im so much confused...pls do help me...no harsh answers pls...thnx in advance