[header] How to avoid getting romantically involved with the wrong person [title] Get to know the person before getting intimate. [step] Go on dates with the person to determine who they are. When people become sexually intimate, endorphins are released in their brains which produces pleasure, and can create an emotional attachment. 
This could cloud your judgement on someone who isn't objectively a good partner. Instead of being influenced by emotion, get to know the person you want to get romantic with.