Because love is like time, it's relative. Especially when it's in a relationship.
Why did the physicist break up with his girlfriend? He found her mass to be too great for his gravitational pull.
What did the astronaut say to his girlfriend when he was leaving for Mars? I'm going to have a blast, but don't worry, I'll be back in a gravitational wave.
Why did the physicist fall in love with a mathematician? He was in love with the equations.
Why did the physicist go to the bar after a long day of work? He needed a time-out.
Why did the physicist bring a ladder to the party? He heard the drinks were on the house.
Want more relativity puns? Check out our Time Travel Puns page for some temporal humor!