When your voice breaks, it can produce some weird squawks and high-pitched warbles. Naturally these usually occur just as you are talking to the girl you have a crush on. Don’t worry about it too much as you only have to push through it for a few months at the most.
Once your larynx is finished growing you have a deeper voice girls find more attractive. During these months try to avoid participating in any school plays, musicals or making any speeches. This can be tricky, but you’ll figure it out.