Get your male cat castrated (chop his balls off) then he'll lose that urge and won't do it. If your planning on keeping the female cat then get her sterilised as well or you'll have kittens within no time and there are enough stray cats so lets not make more!

Conclusion get them both helped out.

Get your male cat castrated (chop his balls off) then he'll lose that urge and won't do it. If your planning on keeping the female cat then get her sterilised as well or you'll have kittens within no time and there are enough stray cats so lets not make more! Conclusion get them both helped out.