Whats this song called and who sings it?

I forgot the name of this song, and the artist. ANd some of the lyrics. But here's all I remeber: These songs get the best of me,i told my gurl id never let these hoes catch the d, but i lied when im gone i be bonin, i give em what they want, then right back i b rolling, she says its too much of hearts swolling and..." i can give more if needed. And it's a very soft rapp in the beginning, pianos even start playing, and He sounds a little like wiz Khalifa, And i can also remeber that it was saved on my phone as "when im gone" Ive tried looking it up on YouTube but nothing, Wiz Khalifa and Eminem.