1John 4:17 Herein is our love made perfect, that we may have boldness in the day of judgment: because as he is, so are we in this world.
1John 4:18 There is no fear in love; but perfect love casteth out fear: because fear hath torment. He that feareth is not made perfect in love.
**1John 4:19 We love him, because he first loved us. **
1John 4:20 If a man say, I love God, and hateth his brother, he is a liar: for he that loveth not his brother whom he hath seen, how can he love God whom he hath not seen?
1John 4:21 And this commandment have we from him, That he who loveth God love his brother also.
Well he should not have let the cancer in the child in the first place being an all knowing, all powerful, Omnipotent being.
Why does he let his beloved children suffer?
How about wars? How many countless wars are fought in his name? Why does he let it happen?
The last sentence of my post your message was a reply to contains the answer to these questions. In other words, He protects our free will above all else, so that we are free to chose to go to Heaven. If we could not make bad choices, there would be no real choices. If we could not chose his love, instead forcing His love on us would be no love at all.