For a person who cherishes compassion and love, the practice of tolerance is essential, and for that, and enemy is indispinsable. So we should be grateful to our enemies, for it is they who can best help us to develop a tranquil mind.
No material object, however beautiful or valuable, can make us feel loved, because our deeper identity and true character lie in the subjective nature of the mind.
Genuine happiness consists in those spiritual qualities of love, compassion, patience, tolerance and forgiveness and so on. For it is these which provide both for our happiness and others happiness.
We begin from the recognition that all beings cherish happiness and do not want suffering. It then becomes both morally wrong and pragmatically unwise to pursue only one's own happiness oblivious to the feelings and aspirations of all others who surround us as members of the same human family. The wiser course is to think of others when pursuing our own happiness.
Up to now my involvement in the Tibetan freedom struggle has been part of my spiritual practice, because the issues of the survival of the Buddha Teaching and the freedom of Tibet are very much related. In this particular struggle, there is no problem with many monks and nuns, including myself, joining.