The Sun is the source of all energies. These energies stimulate the activities of the houses occupied by the transiting Sun and reinforce or weaken the planetary effects, depending on the Sun's aspect to the natal planet. When the Sun transits an inner planet, it may trigger a dormant aspect between that inner planet and a slower moving outer planet. If a planet is being transited by another planet when it is being transited by the Sun, the effect of the transit is strengthened.
Sun Opposition Venus
A Sun opposition Venus aspect quickly creates awareness of how far apart your ideas about romantic love and relationships are from your partners viewpoints. When the Sun person is in opposition to the Venus person you are not likely to have similar ideas or desires but you will share a desire to find harmony together by finding both sides of the issue and taking turns meeting each others needs and expectations. In some cases, this combination contributes to sympathetic, emotional understanding especially on the part of the Venus person.