(salam) love is sacrificeselflessnesscareaffectionunderstandinghonestytrustloyaltyhappinesswarmthsecuritysafetypatiencewether its love of another person as a partner (husband or wife), your parents, friends, ahlul bayt (as) or Allah (SWT) these emotions would be present if its true love, otherwise if there are doubts, then you may have a flaw in ur love to whoever you are directing it towards. hope that was able to shed some light, although its a very simple approach of what love is. inshallah khair. (wasalam)