Another wordsIn other words
Ever since, person is born he becomes a part of the longest relationship in his life with his parents. And it is obvious that parents influence his development. Person gets understanding of what is right or wrong, good or bad, the truth or a lie. Another words parents download all the basic information. Moreover, parents have the longest access to modify their child's way of thoughts.
... where are your examples? Support reasons with specific examples.
One of the greatest ones is school.School is one of such greatest institutions.
Another thing to mention is person's environment, his friends, collegues, peers etc. For instance, life time friends are greatest influencers on personality as well. Being a good friend means high level of social adoptation most of the time.
... Is this a separate paragraph?
I think you need to pay more attention to your essay structure. It should contain an introduction, body paragraphs and a conclusion. Introduction should introduce the topic and express your opinion. Body para should justify your opinion with evidence from examples.