Re: Jealousy
I don’t see anything wrong with a little jealousy every now and then. You may have confidence in your partner but it only shows you care and don’t approve of others staring at or hitting onto your partner. In short, you want them all to yourself 
Most times the other half really appreciates this as it shows you want them. In fact protective jealousy (gheerah) is acknowledged in Islam also. Its only when one gets over protective and jealous of others that you can question their insecurity and confidence in the relationship.