The headlights keep going out sometimes one does it then both turn lights off then back on already replaced both head lights once

What is your question?

I have already replaced both head lights and it still does it one side goes out turn of lights then turn lights back on and it comes back on then the other side does it I can't keep replacing bulbs at 70 dollars a bulb

What makes this problem better or worse?

At night

How long has your 2007 Toyota Solara had this problem?

For a while now