Moderate blood loss now does tapering damage.

code/modules/mob/living/carbon/human/blood.dm

@@ -83,15 +83,12 @@ var/const/BLOOD_VOLUME_SURVIVE = 122
 					update_body()
 					var/word = pick("dizzy","woozy","faint")
 					src << "<span class='warning'>You feel [word].</span>"
-				if(oxyloss < 20)
-					oxyloss += 3
+				oxyloss += max(0, (20-oxyloss)*0.2)
 			if(BLOOD_VOLUME_BAD to BLOOD_VOLUME_OKAY)
 				if(!pale)
 					pale = 1
 					update_body()
-				if(oxyloss < 50)
-					oxyloss += 10
-				oxyloss += 1
+				oxyloss += max(1, (50-oxyloss)*0.2)
 				if(prob(5))
 					eye_blurry += 6
 					var/word = pick("dizzy","woozy","faint")
@@ -310,4 +307,4 @@ var/const/BLOOD_VOLUME_SURVIVE = 122
 		else
 			B.blood_DNA[source.data["blood_DNA"]] = "O+"
 
-	return B
+	return B