In order to prove to Yuri that they are actually a married couple, Loid and Yor are supposed to kiss. Loid is willing to get this done immediately for the sake of Operation Strix, but Yor can't do this sober, so she ends up downing a bunch of wine and gets drunk.  Yuri sees his sister this way, also gets drunk, and is unable to make rational decisions anymore...
Children are so curiously observant at times.
.إنّ الأطفال شديدو الملاحظة أحيانًا
Kinder können manchmal
echt scharfsinnig sein.
Es extraño lo perceptivos
que son los niños a veces.
Es extraño lo perceptivos
que son los niños a veces.
Les enfants sont bien intuitifs,
par moments.
I bambini ogni tanto 
hanno un incredibile spirito d'osservazione.
Crianças são curiosamente
observadoras às vezes...
Порой дети бывают
удивительно догадливыми…