is there any definitive proof that lana slept with bizarro?

[biggumt]

if Clark couldn't NORMALLY sleep with her how the heck could bizarro? just because they were in bed together does not mean they did the deed. I want proof. maybe almiles stating that they did or something. i don't think you can automatically imply that they did because all the sex scenes that occured in smallville were obvious that they (the couple) were going to have sex. examples, clark and Lana hidden, Lana and lex wither, lois and clark in harvest, etc. this scene just showed them waking up in bed together which clark and lana probably did anyways. the episode before persona didn't show them engaging in a sexual act that led to the opening of persona.