What would you do in my situation?

[Tomgrass]

Stats 41 years old training since 18 years old enhanced when was 31. Currently after few weeks of cut i am in decent shape but want to progress further. Was thinking of starting playing with low dose of slin for pre w as i never touch slin. Would you cut even more swap sust to prop and trest for var. Get even better conditioning in four weeks time and later do slin or simply start slin now. Current gear 30 mg sust day 5 mg trest day.