There is nothing permanent, if the electron still go around the nucleus and the proton&neutron still require that electron.

Well now one could argue that you can enjoy something which is impermanent and not get attached to it, but that is never really mentioned in the suttas.. it's not about enjoying but always to renounce.

It is impossible. Because every enjoying in impermanent stuff is attachment.

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There is nothing permanent, if the electron still go around the nucleus and the proton&neutron still require that electron. Because electron are impermanent and what depending on the impermanent stuff, it is impermanent as well.
So, if you try to risk yourself by your wrong logic, it's fine. But the imprudent attitude can't change the buddhist prudent attitude. We don't want to risk with you. We want the peace, the permanent, the stable, and real happiness without any risk/posibile suffering/possible problem anyway.

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You inclined to be capitalism, materialism, eternalism, and annihilationism, which all were called micchā-diṭṭhi.
So, when someone has micchā-diṭṭhi, misunderstanding the causes and effects, it means that one has sakkāyadiṭṭhi, sīlabataparāmāsa, and vicikicchā.
Therefore, one can doubt, vicikicchā, in the result of wholesome action, then act the illegal or immoralness, sīlabataparāmāsa.
That sīlabataparāmāsa is a very risk to cause the very painful feeling, such as the rob who killed by the law or the stuff owner. It is not just the rob's painful, it is his family painful as well.

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question:

Why must someone strive for something which is everlasting, e.g. Nirvana? It is unfortunate if everything is impermanent but I think this is a mistake, a false conclusion, that you shouldn't be attached to anything which is impermanent. It is not 100% awful if everything is fleeting. One doesnt need to cling to a belief that there is something which lasts forever. Did anyone come to the idea that everyone cling to the buddha and the idea of liberation?
Well now one could argue that you can enjoy something which is impermanent and not get attached to it, but that is never really mentioned in the suttas.. it's not about enjoying but always to renounce. Now, I thing that it's not good to base one's goal PRIMARLY to self oriented ones, i.e. only achieving enlightenment. I know that this is not a good motivation and that one rather focus on others or on much measureable goals like.. meditating twice per day or showing forgiveness or to apologize for one's wrongdoings.. Agreed on that? I think you all do but still the main goal in Buddhism is to escape Samsara and the cycle(s) of rebirth. Which leads to my second question:
Does one practise metta just for the sake to cleanse one's karma, for the wish that the other escapes samsara (which is ok if one literally - and not metaphorically - believes in it) and to not being reborn in this - im sorry - "mess" yet again?
I think, it is better to stick to an agnostic "i don't know" attitude concerning rebirth, samsara, nirvana or rather reinterprates them than to greedily chase for liberation which is just another craving and could foster laziness, selfishness and everything which is contrary to the teachings.