A: The pool is filthy.
B: I forgot to put on the cover last night.
A: There are mosquitoes buzzing around it!
B: They lay their eggs in the stagnant water.
A: How are we supposed to go swimming?
B: You have to wait until I clean the pool.
A: Can you clean it now?
B: I have to, before more mosquitoes hatch.
A: Try not to get bitten!
B: I'd hate to be hospitalized for a mosquito bite.
A: If you are, make sure you finish the pool first!
B: Your concern over me is heartwarming.