Our thoughts are like the foliage of our mind. When we water and nurture them they can grow and take over. When we are having good thoughts, it can lead to great things. It is OK to sometimes have doubts as long as we nip them in the bud before they get a chance to overrun all the great things we are capable of. Everytime those self doubts start sprouting, plant more reminders of all the great things you have achieved. When you remember your worth, others will too.