Huck's Independence

Why is Huck so desperate to go on his own? He seems to not like to be with other people, or to be "civilized," and states that that lifestyle is rougher. However, it seems as though he actually is better off when he lives in a house with other people, in a more comfortable environment, as when he actually goes and lives out on his own, he is scared and not as comfortable and independent as he would like to be