Okay, I need your opinions, please! Today at a birthday party 3 y.o. dd asked the birthday boy (also 3) if she could try a new toy of his (and asked politely, too, I should point out). He responded with a loud, "No!" She burst into tears. Because I don't think any child should be forced to share (especially a shiny new birthday gift), I simply comforted my daughter and agreed that it is upsetting to be refused when you make an effort to ask nicely. But later, the...