I agree except I don't think it's that being with Chloe is the easy option. As he pointed out himself, it's really not the easy option. I think it's just that they got together so young and they're all each of them has known and now they're both so used to being together they don't really know how to be apart.
Life would be much easier for him at his mum's.
Maybe she wants to go back to how they were on that lovely holiday they went on where they were sunbathing and she told him he ruins everything