I'm attracted to a coworker and I can't get over it.
What makes you so attracted to them?
I'm sexually frustrated and I have too much sexual energy.
Office romances rarely end well. If you can, I would avoid trying to get into a relationship with your coworker.
Nah, I'm going to take this to a manager and make a big deal about it.
I highly recommend that doing that, that's going to cause way more issues. I know you're sexually frustrated but you should find other means to relieve this frustration. It's not worth the potential issues in the workplace.