Although I wasn't as able to be consistent as I wanted as I started traveling for work, this has been one of the biggest confidence boosters in the past year! (theadoredlife.com)
Your assistance via the phone was invaluable and was a great confidence booster as we embarked on this journey. (homehighschoolhelp.com)
The class was a huge confidence booster as a new dad. (instafather.com)