No sooner have you smoothed out that squabble than another erupts. As far as you're concerned, your kid is acting selfish and bossy, and if she keeps it up she's likely to wind up friendless. As exasperating as these episodes can be, try to be philosophical about them. Fla. Of course, some toddlers are happy by nature to give a pal one of their cookies, but most are more possessive.
Sharing is a learned activity, and mastering it takes some time.
Nonetheless, you can introduce your toddler now to the merits of sharing, then build on the groundwork you're laying as she gets older. What to do Practice taking turns. You flip one page of your toddler's bedtime book, and she flips the next. Or you stack a block on top of hers, then she stacks another on top of yours. You could also take turns putting puzzle pieces together or pushing a toy car down a ramp.