"Ugh, slower’n zap-apple jam in January. How in the hay can a day of doing math be more exhausting than a day of buckin' apples?" 

Context: Mac has spent all day balancing the farm's books. he now lays in bed with Rainbow Dash.

“Neither had I, before Dashie. You know, I—I always thought my life would be simple: work the farm, support AJ and Apple Bloom, let them two go off ‘n find love. Weren’t never any time for me to find it. Then... then she came along. Now I... I had somethin’ for myself. Somethin’ special, that I won’t let nopony take.” 

Context: Having learned that Rainbow is in danger, Mac explains why it is so important they find her. The preceeding line is him asking Twilight if she has ever been in love.

"I tried to kill you, Dash! I... I can remember everythin'. Every second of it. It was... it was like a, a voice in my head. Screamin', howlin' in my ears! I di— I didn't just wanna kill you. I... I wanted to hurt you. Wanted to tear you apart, rip ya to pieces!”  

Context: Mac is describign to Dash the horrific experience of having been turned into a vile monster and what it was like being a slave tot he corrupting influence.