'That was a bit harsh jura2 in my opinion.' well it was tongue and cheek and in jest- and also in shock at the thought you are the same age as my youngest daughter.
But if it caused offense, I do apologise.
Re or new- learning is not always easy - took me my fist 6 months in the UK to not only learn a new language, and about Imperial measures, shillings and pence, in 1970... and when I came back 1 year later- had to forget it all. Take 2 driving licences driving on right with LH vehicle, then all over again t'other way round. It certainly did NOT take me nearly 50 years, and maths never been my strong point.