True and I think it’s down to luck/rapport?
Agree on the Hungarian reliability but I have not had a bad one yet (touch wood!).
This worked for me 
Good im pleased youve had all good ones

The MILF Hungarian crew seem to be fine, reliable and enthusiastic and the North West MILF crew...forgot her name now, the legendary one who comes over and then goes (think shes gone forever now) and other women work with her...shes a great benchmark

I find the 20s one have been poor, I had a bad run in 2015/16 of them in North London, so am hesitant