Which external factor influences activity level? need done

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Nothing will delay it, but drinking some lemon (squeeze 3) would cut it, making it last a few days, but its not good to do that. won't hurt you but the next month will be more cramps.. take some advils with you on the trip

Ican only answer your first question, a machine is like a human body because it's a little similar. they both almost work like the same.

~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