Is penis curvature about 45 to the left affect sex ? by the way it's not peyronie's

It shouldn't: I am presuming you have tested negative for Peyronie's disease through an exam by your physician. Some curving of penis is not out of the ordinary. Getting satisfaction from sex for both partners is influenced less by size and shape and more by mental engagement with each other and a workable anatomy, including a curved penis.

Here are some ...: Without further Hx and physical exam, no one can differentiate if your penile curvature at erection results from congenital or acquired-Pyeronie's? Either one requires some sensible care to modify its interference to sexual function. So, seek professional evaluation and counseling so to deduce a post possible cause for your penile curvature and decide the most reasonable Rx / care / counseling...