This is sound logic, even if it is Wei Ying logic. So he drags him close and lays a kiss on his lips, because resisting his husband is honestly one of the worst exercises of restraint he's ever had to follow these past years.

His lips are warm and welcome, and Lan Wangji feels the tension from before slip away from him and melt as he indeed, puts Wei Ying into his embrace to get him nice and warm instead.

Standing up, he pulls Wei Ying with him and leads him out of the bathroom and towards their bed, hands laced together, feeling overly-excited as if they were still young as they had been studying at Cloud Recesses together.