Complex sentence: It is hinted that Symbiotes' aggressive behavior may be a result of its bonding with a person who has a very abusive behaviors driving them insane as shown when Deadpool first wore the Venom Symbiote suit before it switches to Spider-Man.
Split into simpler sentences: It is hinted that Symbiotes' aggressive behavior may be a result of its bonding with a person who has a very abusive behaviors driving them insane. As shown when Deadpool first wore the Venom Symbiote suit before it switches to Spider-Man.