Dopamine creates feelings of euphoria while adrenaline and norepinephrine are responsible for the pitter - patter of the heart, restlessness and overall preoccupation that go along with experiencing love. (sciencedaily.com)
Phenethylamine, or PEA, is the chemical found in such foods as chocolate which produce feelings of euphoria, alertness and increased attention. (bestpricenutrition.com)
And secondly, it seems that pathological gamblers just don't get the same feeling of euphoria as do healthy volunteers. (sciencedaily.com)