May a boy who in shidduchim neaten his beard/trim/shave for a date during Sefira?
No can do
The Rav would often answer that the biggest Hidur for the girl is to be going out with a boy who is careful in Halacha. And if that hurts the shiduch so be it, its Hashem’s way of telling you “she’s not for you”. Hatzlacha