What are some old school sad hip hop love songs?

Here are some examples of old school sad hip hop love songs:

- A Tribe Called Quest - Bonita Applebum

- Eric B. & Rakim - Paid in Full

- LL Cool J - I Need a Lover

- Nas - One Mic

- The Notorious B.I.G - Big Poppa

- Outkast - Ms. Jackson

- Puff Daddy & The Family - I'll Be Missing You

- Tupac Shakur - Keep Ya Head Up