@Libby1738, welcome! Look here.
Browse around. Look at the General, Social, and Meta tabs. Read the help pages.
Then answer a question. Or ask one! If you like someone else’s question, click the “Great Question” button beneath it. If you like an answer, click the “Great Answer” button.
The first five clicks in each category (GQ and GA) on a question page will increase that user’s lurve score, until you max out on them. More explanation is under the “What the?” button next to the Lurve heading on the right.