Relationship advice please.

Just started dating an old friend last month and out of no where he broke up with me. Long story short I’ve know him for the past 6 years (2015-current) (were both turning 26 this year). He’s an army guy and basically I didn’t like his bad party and drinking habits. He’s been chasing me for 2 years and for a long time I’ve been rejecting him because we’re complete opposites. I’m a church girl and he’s a army (drink and club type). He came to me in February saying things about wanting to work on himself and change. I figured I’d give him a chance. We were doing Bible study for a while and he said he had desires of going to church once he was out of the army this august. I figured we’d grow together. Randomly after expressing his love for me, he started avoiding me and stopped the calls for 4 days. Today he says that “we won’t work out” and “you’re gonna be you and I’m gonna be me” as well as “it’s not you it’s me, I’ve made up my mind”. I don’t feel extremely hurt but it’s like why say things about change and expressing your love for me and then 3 days later break up with me? I’m confused and a tad hurt, more mad because I tried to love him and allowed him to be himself only to have my time wasted and my feelings hurt.