Adjusts CE_SPEEDBOOST to not just return -3

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

@@ -13,9 +13,6 @@
 	if(force_max_speed)
 		return -3 // Returning -1 will actually result in a slowdown for Teshari.
 
-	if(CE_SPEEDBOOST in chem_effects)
-		return -3
-
 	var/health_deficiency = (maxHealth - health)
 	if(health_deficiency >= 40) tally += (health_deficiency / 25)
 
@@ -79,6 +76,11 @@
 		var/obj/item/pulled = pulling
 		tally += max(pulled.slowdown, 0)
 
+	if(CE_SPEEDBOOST in chem_effects)
+		if (tally >= 0)	// cut any penalties in half
+			tally = tally/2
+		tally -= 1	// give 'em a buff on top.
+
 	return (tally+config.human_delay)
 
 /mob/living/carbon/human/Process_Spacemove(var/check_drift = 0)