reverb for intros doesn’t work, but works fine for outros?

[jayser]

Im using studio reverb, but its not tapering the intro  when I apply the effect https://gfycat.com/MenacingMediocreApatosaur 

while it works fine for outros, as you can see here the ending tapers https://gfycat.com/ZigzagRapidHoiho