A nuclear family
Everybody has some idea about a nuclear family. Nuclear family has some advantages. A nuclear family is calm and quiet because there are only a few members. So, one can enjoy peace and happiness in a nuclear family. You need not think of others. So, one enjoys much time to do a lot of work. In a nuclear family, one has got less duties and responsibilities than in an extended family. So one can remain free from anxiety. He can have much free time to move.
In a nuclear family, specially a student enjoys much free time. So, he can study peacefully. Again, a nuclear family is free from noise and disturbance. So, one feels very happy there.