The answer is definitely – No!
A rhinoplasty will most likely not change your life or find you a new partner in life. Your self-esteem is much deeper than that. A rhinoplasty can of course help you feel a little more comfortable about your appearance or improve your breathing but not increase your self-esteem by itself. Go back to that initial thought you had when you started contemplating what a rhinoplasty might mean for you and how it might improve your quality of life before you place your self-esteem on a procedure.