How to fix Minecraft Forge 1.7.2 on Java 8 NOW?

I havent realized that Java 8 doesnt work with Forge and all the videos ive see arent working for me. Im already too late for Java 7 to get it back. I have no more Java 7 on my computer. What else can i do? It crashes everytime i press Play. I need your help because im getting frustrated.

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