Even good things have to come to an end sometime.

On tonight’s Teen Mom 2, we’ll see as Kailyn Lowry and Javi Marroquin finally confront their relationship drama head-on — as the Air Man had just returned from his deployment.

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And while we know now how their relationship plays out — sadly, it ends in divorce — the two are forced to confront their issues and decide the fate of their marriage in tonight’s episode.

So where exactly did things go wrong in their relationship? Scroll through our relationship timeline to find out!