We have to know someone, it's very welcome. But if we know already there are concerned and afraid all the time. I think we should not be known, but the first at all.
We have known someone it is very gratifying. I know it made us feel really nervous and scared all the time. I think that we should not yet known, but the first.
We have to know someone, it is wonderful. But if you know it makes we were worried and scared all the time. I don't think we should know each other first.