You have to buy them a pet goat and bake a fondue for them every night.
On a serious note, depends whether you're male or female. If you're searching for a swiss female, it's impossible to get her unless you're at least half-Swiss and each others' parents know each other, and/or you've known her since kindergarten. If you're searching for a swiss male, be warned that the swiss males are so desperate that they're psychologically unstable.
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