First, if youīre banging your head on a target on a wall you should visit a psychiatrist immediately and take meds. Life isnīt easy. I take meds. I donīt know which type of meds you need, only a doctor can tell you that.
Then on to Se and why I relate it with 'will'. It can be also said to be related to grasping and aversion, the two poles of Extraverted Sensing. When you see something, you either like it (thereīs a grasping even if subtle), donīt like it (thereīs an aversion to it even subtle) or youīre just indifferent which means it doesnīt matter to you.
Any attractive object makes you want to possess it, hence the need of Se-egos to accumulate objects they deem attractive or valuable. They also have a typical caveman attitude towards women or men [attractive object] who they find attractive: they go get them. Se-egos are the faster in doing this maneuver of going to get it, getting it done. Whatever they set to do, they make sure it gets done, for this they use Volition which is the same as Will. You see this clearly in Beta STs who have a dominational aura to them and see themselves often this way. Although this is very much a limited view, because they donīt take into account that their lack of
makes them mentally limited in comparison to Delta STs who have
on Ego block. Although Delta STs donīt have
on the Ego block so in the end it very much amounts to the same balance of force, except that one is more physical and affirming oneīs will, the other is more through thinking and being sensitive of othersīinner states.
Si-egos would be more inclined to create the appropriate conditions for getting the objects they want. Iīm not talking about planning, Iīm talking about producing physical and mental states in themselves and others which will facilitate them to get to their goals. This may be something silly as getting a woman drunk to nail her without even realizing the plan, or stimulating good and pleasant sensations in themselves and others to attain the goal.