SN combined with shallow water blackout

[Happy deathday!]

I'm thinking of trying this but I really don't want anything to go wrong. I'm paranoid that hyperventilating will somehow make me more likely to throw up the SN.

 

[Comper03]

I'm thinking of trying this but I really don't want anything to go wrong. I'm paranoid that hyperventilating will somehow make me more likely to throw up the SN.

I'm not really sure but the sn may make it more difficult to hyperventilate.

 

[Happy deathday!]

I'm not really sure but the sn may make it more difficult to hyperventilate.

Damn...