Lingerie reseach: guys, what lingerie do you buy for her?

This is for a lingerie report. guys, suppose you wanna give her a xmas lingerie gift. 1) what colour would you choose? 2) would you get a classic model or a different-original one? 3) cute or sexy? 4) what fabric? i guess you want it to look expensive. maybe satin? lace? 5) and if you choose a 3piece gift, what 3pieces would you like? thong, knickers, bra, corset, nightdress.
Answer
I think lingerie is a wast of money....cause all i really want to do is get em off...........