How long does it take the body to get energy from food?

It depends on what you eat together more than anything - moderately-fast whey protein is traceable in 20 minutes, hits top blood amino acid levels about 90 minutes in and drop sharply thereafter, casein protein takes longer to peak but has sustained release for up to 8 hours afterwards, simple carbs eaten alone hit your 

~they act different around each other (shy,clumsy,friendlier)~their eyes dilate when looking at each other/ more eye contact towards each other ~ they lean their body toward you~gently touching each other~jealous when one is with another person~they try to copy youhope this