Here’s a tighter version that keeps the punchlines intact:
A depressed man walks into a bar and orders six double brandies. The bartender asks, “Rough day?”
He sighs, “I just found out my dad is gay.”
The next day, he returns even more downcast, orders six more, and says, “Now my son is gay too.”
On the third day, he stumbles in again and orders six. The bartender asks, “Doesn’t anyone in your family like women?”
He mutters, “Yeah… my wife.”
Then:
An old cowboy sits in a bar and describes to the bartender how he herds cattle all day. Later, a woman sits down and says, “I’m a lesbian—I spend every moment thinking about women.”
The cowboy leaves, goes to another bar, orders a beer, and when asked what he does, says, “This morning I was a cowboy, but now… I think I’m a lesbian.