Here are several sermons to help you prepare ahead.
Lust?
https://www.desiringgod.org/labs/what-is-lust
A
Avoid: https://www.desiringgod.org/labs/avoid-the-first-step-to-defeating-lust
N
Say NO: https://www.desiringgod.org/labs/say-no-you-have-five-seconds-to-kill-it
T
Turn: https://www.desiringgod.org/labs/turn-why-you-keep-falling-into-sexual-sin
H
Hold On: https://www.desiringgod.org/labs/hold-on-do-not-grow-weary-in-fighting-lust
E
Enjoy: https://www.desiringgod.org/labs/enjoy-the-key-ingredient-for-lasting-purity
M
Move on: https://www.desiringgod.org/labs/move-how-laziness-feeds-lust