Answer:
My first half means container. Not a lot of people understand my language.
I have two eyes in the front and a lot of eyes on my tail
I look like a tiny trombone
I am a food with 5 letters. If you remove the first letter I am a form of energy. Remove two and I'm needed to live. Scramble the last 3 and you can drink me down.
I'm simple for a few people, but hard for them to hear. I live inside of secrets and bring people's worst fears. What am I?
The answer I give is yes, but what I mean is no. What was the question?