Kate Cooper insists her Buddies must learn from their painful defeat to Falkirk after squandering a three-goal lead.
The Saints were hoping to cut the gap to their promotion rivals to just two points and were on course to do so after racing clear at Mossedge.
Maxine Fury grabbed a quickfire brace, with Gemma Dickson also netting to put the Paisley side in total control of the match at half-time.