Because of sif, you are able to:
-Count in 5, 10, 15 and 25, (maybe in 4, 8, 12, 20 for Medley fest)
-Able to estimate the time taken for your LP to recover
-Calculate the amount of Loveca/Friend points needed to scout
-Organise your team properly

And best of all.......
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-RAAAAAGE!!!