Statesmen are not only liable to give an account of what they say or do in public, but there is a busy inquiry made into their very meals, beds, marriages, and every other sportive or serious action.
PlutarchSo also it is good not always to make a friend of the person who is expert in twining himself around us; but, after testing them, to attach ourselves to those who are worthy of our affection and likely to be serviceable to us.
Plutarch