How do i get over a girl?

this may seem weird but ive been dating a girl who lives in texas and i live in wisconsin... i kno long ditance relationhips r hard. but weve been making it work for two years.. but shes using this guy down there to get her stuff which is terrible. and she left me for him.. and i kno she isnt happy with him... he didnt graduate hs or isnt going to college. she even told me before we said our goodbyes she wants me and have a family and grow old together, but its not practical.. i loved her so much its crazy.. shed come up here and vistit alot, and id go down here, and i never wanted her to leave my arms... i just cant do this... my love for her is so strong.. just last week she was visiting her gma in arizona and said she ws going bowling.. so i called the bowling alley ad had them play our song.. she texted me saying ull never song just came on and i said let me guess only you can love me this way.. and she said how did u kno? bottom line.. i need some advice... was i toooo sweet and caring? :'(