T-shirt Proton to be positive even in the most adverse situations ;-D
According to its definition, a proton is a subatomic particle with an electric charge elementary positive, equal in absolute value and opposite to the of the electron, so that, it may seem very difficult to understand, but what really matters is that it is positive.
The world in which we live, there are days when the negative charge that surrounds you is very large: traffic jams, noise, weather, heads...
That's why our t-shirt Proton you going to give that same load refusal that surrounds you but transformed into positive, even possible that all your around becomes positive.
Think like a proton. Always positive.