feel like it's impossible

just looking for some reassurance/advice...

i took driving lessons aged 17-18, unsure how many as i am now 35...! i don't remember feeling anxious even though i did make mistakes & it all made sense & came fairly naturally. (i am a very anxious person in general & always have been.) i failed my first test aged 18 & then went to university.

age 35 i started driving lessons. i have had around 12 two hour lessons so far. initially i was terrified to even be driving & would often cry during lessons. now i am much more relaxed, but i still make terrible mistakes... i just ususally laugh it off. i have driven on the dual carriageway twice & always need a break during a lesson to relax.

it just doesn't seem feasible i will ever be able to drive independently. i can't do any manoeuvres on my own. i pull out too early or hesitate at roundabouts. i always take way too long to pull away at traffic lights. i stall, usually once or twice per lesson when i am panicking about something. i very regularly forget mirror checks & indicating, or mess it up.

i have quite bad spatial awareness & i am scatterbrained, but i don't remember it being anywhere near this difficult or complicated when i was a teenager. it's so important i learn how to drive bc currently my partner has to drive us everywhere & worry about how i will get to work etc. i feel super demoralised right now, i am nowhere near a test but i have spent nearly £1000 learning. would it be better to pay another £2000+ for an intensive course??