<font color=ff66cc>I agree with the terminally ill loved-one meaning as cliche_d has said above. But just expand a bit on the theory, I'm thinking that maybe it's a parent who's ill and they are hiding their illness away from their children. The bit at the end, the <b><i>But we know</i></b> bit suggests that despite their parent's effort to conceal the truth, they are more astute than they are given credit for, and know the truth</font>
<font color=ff66cc>I agree with the terminally ill loved-one meaning as cliche_d has said above. But just expand a bit on the theory, I'm thinking that maybe it's a parent who's ill and they are hiding their illness away from their children. The bit at the end, the <b><i>But we know</i></b> bit suggests that despite their parent's effort to conceal the truth, they are more astute than they are given credit for, and know the truth</font>