Summoned Beings Appear But Do Not Listen. Options

I have worked about 5 evokations. I am clearly not an expert. The last time that I summoned a being it appeared in my triangle. 'visibly' for a few moments. I cannot understand why these beings do not listen to me. I will admit that I did not go into details of controling the being ect... such as in the goetia. Perhaps it is these simple details; or that my mind may prevent the intervention do to a lack of understanding of the beings purpose. What is their motivation. Also they appear and do not act... So perhaps I am growing a slight mental illness. However they have worked in the past but recently it has not.

Much the same as in spell work. Is it common to experience ups and downs that come in time and with understanding; or am i just not tapping into myself correctly.

As it happens I am in the throes of something very similar right now. What I have learned over my time is this:

When u feel magickally "flat"--take that break. Imagine you are a cup, the magickal Evolution is the liquid (lets use beer for this example!), you go and pour the beer in the cup its gonna foam. If you keep pouring hen the foam gets too high it will spill and make a mess and you waste the beer--WHICH IS BAD! (LOL). What one must do is pour in a stead amount and if it seems the content seems foamy--sit back and wait for the foam to settle. Thus the same concept applies to magick (I have found!)

Laterz....