Does Sherlock fall in love with Molly?

Sherlock does love Molly

Spurred on by Eurus' game, Sherlock has to convince Molly Hooper to make a deceleration of love. ... Again, fans are upset it lacked a romantic element, but the clear implication is that Sherlock does indeed love her, though not in the way she (and fans) might want.

Did Sherlock sleep with Molly?

Molly also says that Sherlock slept in her room while she had the spare because they both agreed he needed the space. This implies that Sherlock might have stayed with Molly sometime between his faked death and his return since she was one of the few people who knew he was still alive and he trusts her.