Try this for two weeks: -Help your colleagues without expecting anything in return. -Mentor people junior to you. Learn something new and teach it to them. -

Try this for two weeks: -Help your colleagues without expecting anything in return. -Mentor people junior to you. Learn something new and teach it to them. -Give useful feedback when someone shows you something. -Focus on doing your best work and be useful to others when required. You'll notice your insecurity will eventually vanish.