In fact, they usually love not for something specific, but simply because this person hooked you with something, and more often than not, you cannot say what exactly. You just have a feeling for a person and that's it. Tell me, if someone else loves you, will you also kindle to him? Probably not, right? Those. your feeling is not connected with the fact that you are loved, but with that particular person to whom it arose. However, mutual love can really strengthen each other's feelings. This is completely normal.
It's very normal, the most common hormones have made a batch in the brain. If the combination is successful, falling in love will last for three years without recharge. If not, it will take a couple of weeks.