Im not to sure, 4 i dont have any experaence, but just keep connecting them so they can become GOOD friends. Also get honey (a.k.a: love potion) by the shope codes.(if you have a v4 i can give you them) Give one the honey before you connect and the'll fall in love and might have babies. They also have to be adults, and opisite genders, one boy and one girl.