No. They have different meanings. The first tells us that you were a kind person because of some requirement or obligation. The second sentence says that you were a kind person in the past, but no longer are.
No. You are, unfortunately, totally misunderstanding the use of "not necessarily". We don't use "necessarily" in the same way at all. I suggest you study the use of "not necessarily" for a few days.
No. You are, unfortunately, totally misunderstanding the use of "not necessarily". We don't use "necessarily" in the same way at all. I suggest you study the use of "not necessarily" for a few days.