BigBear is right. My last relationship was LDR, and the entire reason it didn't work was because we weren't communicating enough (and I ashamed to say most of it was my fault). Talk a lot, and be honest, even if it's sometimes painful. If you don't talk about how you're feeling, it's just going to build up till it blows up.

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“Sometimes I think we're alone. Sometimes I think we're not. In either case, the thought is staggering.” - Buckminster Fuller

"A man talking sense to himself is no madder than a man talking nonsense not to himself." - Guildenstern, “Rosencrantz and Guildenstern are Dead”