The person below me

[Mhera]

I have no clue what you're talking about.

TPBM pays no attention whatsoever to football.

[Rainshadow]

  Hai.  I couldn't care less about sports, unless it's hockey.  Even then, I have to be at a live game; otherwise, I'm uninterested.

  TPBM can see another person from where they're sitting currently.

[Mhera]

Nope.

TPBM has gone horseback riding before.

[Rainshadow]

  I took lessons for four or five years, so... yep. 

  TPBM has been in a play/musical before.

[Cornflower MM]

Nope!

TPBM likes rocks in general?

I have no clue what you're talking about.

...

Mhera, red jasper is a gemstone, a very pretty one.

[Mhera]

(Ohh okay. I just looked it up, and it does look nice. Kind of like if ketchup were a rock )

I do like rocks.

TPBM likes ancient Egyptian history.

[Jukka the Sling]

I dunno.

TPBM has read LotR. (I'm in the last chapter of TFotR.)

[Søren]

No.
TPBM has a big, puffy jacket on.

[Cornflower MM]

I never wear jackets inside, so no.

TPBM knows what commonly substitutes diamond for the April birthstone?

[Rainshadow]

  Sapphire, I believe?

  TPBM knows what the January birthstone is.  (Without Googling it, of course.  )

[Søren]

Yes, garnet.
TPBM likes to drink purified water.

[Russa Nodrey]

Yup.

TPBM shares a room with three other sisters.

[Leatho Shellhound]

No, I have my room to my self.

TPBM is moving this month?

[Mhera]

Nope.

TPBM doesn't like wearing socks.

[Jukka the Sling]

Sometimes...

  Sapphire, I believe?

Not sure, but I know that sapphire is the September birthstone.

TPBM has played Akinator.