Ast noson dda
I would say thank you and wish my conversation partner a good night too.
You can (try to) say Yá'át'ééh hiiłchi'į'
You say 'skat' or 'elskede'
"Godnat"
Guet nacht
Nos da, tywysoges.
"Nos da, Tad"
Passe une bonne nuit, chéri(e).
Nos da, but it literally means good night. Nos being night, da being good.
IN welsh its "Bore da!" (said as "bor ed da")
da
Prynhawn da,.often pronounced P'nawn da, is "good afternoon" in Welsh.
Love in welsh is cariad. If you were to say you love someone, you would say "Caru" (Rhwy'n dy Garu Di- I love you affected by the oral mutation of "C") Cariad is also the term used for sweetheart, and can be used as a compliment, or term of endearment.
ffrindiau mawr
Roedd hi'n cysgu neithiwr.
Invite him for a cinema some of these days, and kiss him tenderly. He will never forget. Do this good action. Then keep on talking and say that you love him too, when both you arrived at "his" home. Kiss him again and say : good night, sweetheart.
Cael amser da.