Bf might be cheating

Ja

Is it true that women know when guys are cheating on them due to Ph balance.

I noticed my vagina starting to smell when having intercourse with my boyfriend.

It hasn’t been smelling like before and I took a shower before we started. Plus I also noticed that it took him a long time to finish.

** I don’t believe him when he tells me that his ex isnt allowed to come inside his house when she picks up their kid.**