It's The Mortal Cup Jace,

Would You?” Said Gabriel To Will, Hotly. “if It Was Your Family?” His Lip Curled. “never Mind. It’s Not As If You Know The Meaning Of Loyalty —” “gabriel.” Gideon’s Voice Was A Reprimand To His Brother. “do Not Speak To Will In That Manner.

Clockwork Prince Pg. 298 "though Rather Despite Myself, I Thought Him A Pretty Bit Of Poison To Start With, But I Have Come Around. There Is A Soul Under All That Bravado. And He Is Really Alive, One Of The Most Alive People I Have Ever Met. When He Feels Something, It Is As Bright And Sharp As Lightning.

Tessa Exhaled. She Hadn't Realized That She Had Been Holding Her Breath Until That Moment. Will Must Have Heard Her, For He Raised His Head And His Gaze Met Hers Across The Clearing. Something In It Made Her Look Away. Agony Stripped So Raw Was Not Meant For Her Eyes.

I Love You; I Love You And I Don’t Care That You’re My Sister; Don’t Be With Him, Don’t Want Him, Don’t Go With Him. Be With Me. Want Me. Stay With Me. I Don’t Know How To Be Without You.

And I Would Do It Again. I Love You, Jace Wayland-herondale-lightwood-whatever You Want To Call Yourself. I Don't Care. I Love You And I Will Always Love You, And Pretending It Could Be Any Other Ways Is Just A Waste Of Time.