The older I get, The older I get,

I see what you did there breaking up the sentence. Very clever!

the more I prefer a nice, cold shower. the more I prefer a nice, cold shower.

Need a comma between two adjectives.

When I was in my 20s, I loved to bathe, but as soon as I turned 30, I preferred to shower. When I was in my 20s, I loved to bathe, but as soon as I turned 30, I preferred to shower.

When I was in my 20s, I loved to bath, be. But as soon as I turned 30, Imy preferred to showerences changed. When I was in my 20s, I loved to bathe. But as soon as I turned 30, my preferences changed.

"I preferred to shower" is repetitive here as you already mentioned this information.

The reasons are simple,: taking a shower is much quicker and it feels a lot more energising than taking a bath. The reasons are simple: taking a shower is much quicker and it feels a lot more energising than taking a bath.

The reasons are simple: one, taking a shower is much quicker; and two, it feels a lot more energiszing than taking a bath. The reasons are simple: one, taking a shower is much quicker; and two, it feels a lot more energizing than taking a bath.

There are different ways to mark pauses in this sentence. Here is my take. The first clause you have is the main clause and it wants to introduce a list, so you can use a colon to make the pause. The semi-colon used here represents a "super comma" to separate the items. Then, you have internal commas to mark the transition from one item to the next.

Every time I take a bath, I feel completely drained and tired, whereas taking a shower saves me water and time. Every time I take a bath, I feel completely drained and tired, whereas taking a shower saves me water and time.

Haha! Good pun there. You chose "drained" along with the idea of bathing. You don't really need to add this part, "whereas taking a shower saves me water and time." It is a little repetitive, but you could leave it as is to make a dramatic comparison. You already explained your reasons for not choosing to bathe.

As welllso, taking a shower saves water and is much quicker. Also, taking a shower saves water and is much quicker.

As well, taking a shower saves water and is much quicker.

Added to the previous sentence. "Much quicker" is repetitive.

Furthermore, in my opinion the average bathtubs are is way to small for big people like me, m. My height is 180 cm. Furthermore, in my opinion the average bathtub is way to small for big people like me. My height is 180 cm.

Furthermore, iIn my opinion, the average bathtubs are way too small for bigtaller people like me, my height is (I am 180 cm). In my opinion, the average bathtubs are too small for taller people like me (I am 180 cm).

InTo additi on, bathing with another person is a lot more complicated. To add on, bathing with another person is a lot more complicated.

An average person, like me, does not have the money nor the resources to afford an extra large bath tub. An average person, like me, does not have the money nor the resources to afford an extra large bathtub.

The structure "neither...nor" pairs together. Use "An average person, like me, has neither the money nor the resources to afford an extra large bathtub" OR "An average person, like me, does not have the money or the resources to afford an extra large bathtub".

But I cannot deny, that still I would never say 'No' to a jacuzzi in a five star hotel. But I cannot deny that still I would never say 'No' to a jacuzzi in a five star hotel.

But I cannot deny, that still I would never say 'No' to a jlove a Jacuzzi in a five -star hotel. But I cannot deny that I would love a Jacuzzi in a five-star hotel.

Using multiple negatives here is rough to read ("cannot", "deny", "never", and "no"). "Jacuzzi" is a trademark and a proper noun (I just learned this, too!), so it needs to be capitalized. Use quotation marks (") to point out exact words ("No"). Use apostrophes (') for contractions (example: can't) or possession (ex: Mary's dog).

I had the chance to have this experience this many years ago. I had the chance to experience this many years ago.