Complex sentence: As such, the means by which it does so is also different, which is why multiple bonds are treated identically to single bonds and certain molecules can have more than 4 electron pairs regardless of the octet rule.
Split into simpler sentences: As such, the means by which it does so is also different. This is the reason multiple bonds are treated identically to single bonds and certain molecules can have more than 4 electron pairs regardless of the octet rule.