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...
I was curious when I looked 
into her past connections,
،راودني الفضول عندما بحثت في علاقاتها السّابقة
Ich dachte, sie hätte vielleicht
schon mal einen Freund gehabt,
Lo imaginaba
por la información de su ficha.
Lo imaginaba
por la información en su ficha.
Je m’en doutais
au vu de mes précédentes conquêtes,
Mi era venuto il sospetto 
indagando sui suoi legami passati,
Fiquei curioso ao procurar
conexões anteriores,
Я, конечно, подозревал это,
прочитав её досье,