Do leeches terrify anyone else here?

To feed on their hosts, leeches use their anterior suckers to connect to hosts for feeding, and also release an anesthetic to prevent the hosts from feeling them.
A leech attaches itself when it bites, and it will stay attached until it becomes full, at which point it falls off to digest. Due to the hirudin that leeches secrete, bites may bleed more than a normal wound after the leech is removed.
An externally attached leech will detach and fall off on its own when it is satiated on blood, which may be anywhere from 20 minutes to two hours or more.
Blood-sucking leeches suck your blood using two ways: they use a proboscis to puncture your skin, or they use their three jaws and millions of little teeth. Leeches find you by detecting skin oils, blood, heat, or even the carbon dioxide you breathe out.