Help your potential matches find common interests.
Music: Benedictum, Judas Priest, Billy Talent, Halestorm, RHCP,
Dio, Rush, Die Mannequin <- that's what I typically listen to,
but I will listen to anything good. My I-tunes has songs from J.S.
Bach (Classical), Grace Potter (Country rock), Michael Jackson
(Pop), Earth Wind & Fire (Funk/Disco), Carole King (Jazz), Van
Canto (A Capella metal), Lindsey Stirling (Violin dance music?) and
a bunch of other, non-metal stuff.
Movie: V for vendetta, Scott Pilgrim, Inception, The Matrix,
Books: LOTR, Apathy and other small victories, Ready Player 1,
shows: full metal alchemist, futurama, modern family
Food: fettuccine Alfredo, sushi or a good pork roast.
There's plenty more but why list them when we could talk about it.