A) Meet at a mutual friend's party.
B) Get really, really drunk.
C) Make out. Sex is optional.
/.../
K) Repeat Step A.
L) Repeat Step B.
M) Repeat Step C, all the while pretending it never happened the first time.
The article is titled Dating in Sweden, which is quite misleading. We do not know of anybody who dates anyone in Stockholm, although, we have heard of a few that are into repetition.