The answer to the question of whether the relationship between Lan WangJi and Wei WuXian was love wasn't completely certain. From the description of the novel, the relationship between Lan WangJi and Wei WuXian was indeed special, but it wasn't clearly defined as love. In the novel, Lan WangJi and Wei WuXian's interactions had many intimate expressions, such as Lan WangJi celebrating Wei WuXian's birthday and the two of them spending time together in the cave. But these intimate acts were not described as love, but as brotherhood. In the later stages of the novel, the relationship between Lan WangJi and Wei WuXian underwent a subtle change. They began to realize that their relationship was no longer just a simple brotherhood, but something unusual. However, these changes were not clearly described as love, so it was impossible to determine whether the relationship between them was love. Generally speaking, the relationship between Lan WangJi and Wei WuXian in the book was a special one. Their relationship wasn't completely based on love, but a more complicated emotional bond.