Yes, you are sisters-in-law.
They are both in the Canid family
yes, since they are both related to you they are now family members
Yes. Both are in the Crassulaceae family.
they can if they are both in the same family
Yes, Rats and Squirels are both from the rodent family, so they are related.
yes they are both in the xenarthen family
The relationship is that they are both members of the Cattle family
You did not say you were married or single. If married your mate should be discussing the problems involving the family so you both can come to some reasonable decision of how to communicate with his family. If you are not married and he has chosen his family over you then he simply doesn't love you enough to stick by you.
No, having a family is not the only reason of getting maried. Some people wanna get married just to have sex, and some guys gets married to have both sex and having a family. But the main reason and the reason that god made us for is to have a family.
Cats are only related to bears in the sense that they are both mammals. Cats are from the genus family Felidae, where as bears are from the genus family Ursidae.
Koalas are not related to bears. Koalas are marsupials, while bears are placental mammals. The closest living relative to the koala is the wombat, as both belong to the family Diprotodontia. The koala's family, Phascolarctidae, is closest to the wombat family, Vombatidae because they are both of the sub-order Vombatiformes.
They are indeed related, both are in the Family Sciuridae, and its subdivision (known as a Tribe) of Marmotini.