The first one is correct. "It is like" the best decision you can ever make.
Saying it that way, is the same as saying that it would be the best decision that you can ever make, but adding more to it. Almost as if soeaking to someone who is overdramatic, and constantly say the word like.
I hope this helps
Because people will be putting stuff bad on there
The main idea in the above paragraph is that D.) Different Societies have different ideas about the purpose of marriage.
American society marry because the couple romantically love each other.
Other society marry for economic purposes. Still other society marry to retain the pureness of the lineage, to secure the family wealth within its grasp, and to further amass power and privileges.
