以下是一些表達愛情幸福感的英文短句：
1. Love makes the world go round.
2. Love is like a butterfly. It goes where it pleases.
3. My heart beats for you.
4. You are the only one who can make my world complete.
5. Love is like a flame; it will grow stronger with time.
6. It is better to have loved and lost than never to have loved at all.
7. I am blessed with the love of a lifetime.
8. Love is like a song that brings joy to my heart.
9. I am grateful for the love that brings us together.
10. Love is a beautiful thing that brings happiness into our lives.
希望這些英文短句能夠表達您對愛情的幸福感！