You will either be recarnated

Go to Heaven

Go to Hell

Go to a New World called the New System that God will create.

Or the latter you will just be non-existence...what do you want to believe...Turn to dust and nothing else or after life?

Midieval Manor - They grew all their own food, raised all their own animals, they had their own blacksmith, weaver even a chapel. The American farmer raises only a specific crop, he goes to town for virtually everything else.

To live your joys. To find your happiness,when you do,you will know you have arrived in the right place,happiness breeds the best to be,for one and for the all.~*

Pleasures and emotional responses are transitory, at best.
Being while living in awareness of being is enough.
One does that which might be understood as being of benefit to all because such also then benefits one's own being and is itself then a reward.

The OU is modular; so pick a level 1 course, see how it goes, and see whether you then want to do a 'hard science' or whether you'd prefer doing a philosophical course instead

It does rather depend on what you're hoping to achieve - if it's for your own interest, then do philosophy etc. If you require a science degree for work, then do science.