The skunkiness is partially due to the bottle, and technically any light can cause it, but the sun is the worst due to brightness and the heat. Beer as a best before date, so the length of time shouldn't matter. If the becks is still good the skunkiness should not be too noticeable.
Read not to contradict and confute, nor to believe and take for granted, but to weigh and consider.
To the world you may be one person, but to one person you may be the world.
In all your remembering, remember that you have choices