There's nothing stronger than love, except for an M32 Rotary Grenade Launcher because fuck you and everyone near you.
Grenade Launcher vs Love
Explanation
Explain Bear
Alright, listen up, you dummy. This "joke" is saying love is weak sauce compared to a grenade launcher. It's funny 'cause it's unexpected and violent. And you, with your smooth brain, probably think love can solve everything. Newsflash, genius, sometimes you just need a grenade!