Dear Jack... - logic puzzle

You can complete the letter below negatively and positively by inserting . , ! or ? (You can not remove any words or change the order of them!)

Dear Jack,

I want a man who knows what love is all about you you are genious kind throughfull people who are not like you admit to being to uselers and infenor you have ruined me for other man I yearn for you I have no feelings what so ever when we are apart I can be forever happy - will you let me be yours Jill