Are you an eldest child? If so,you can be a natural leader. Eldest child are often ambitious,punctual and hand-working and regulary score higher marks on achievement tests.On the negative side,eldest children often feel jealous of their younger siblings,who often seem to get better treatment from their parents.First-borns can appear to be know-it ally's who frighten offer people with their bossy,insensitive attitude.So maybe it's not surprising that more then haft of us president have been first-borns