Question: what to do with a jealous 2 year old?
Answer: Acknowledge your child's feelings. Know that your little one may express negative feelings or act out, and don't scold. ... 
Spend regular one-on-one time together. ... 
Offer a gift (or two). ... 
Praise often. ... 
Regression. ... 
Acting rough with the baby. ... 
Anxiety. ... 
Arrange a few playdates.