Modern equivalent of the most eligible cultivator thing is a poll (probably made by Nie Huaisang) and right after the final results go live Wei Wuxian leaves an incredibly detailed rant in the comments about how Lan Wangji should be ranked number one and everyone that chose Xichen over him is a coward that just can't handle a hot person being a little mean (no homo)
Wei Wuxian would jokingly ask Lan Wangji if he would still love him if he really looked like those ugly posters and Lan Wangji would say yes with no hesitation and the sheer force of his sincerity would almost kill Wei Wuxian again